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- 13 May, 2021 40 commits
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Greg Kroah-Hartman authored
This reverts commit 38d22659. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. While it looks like the original change is correct, it is not, as none of the setup actually happens, and the error value is not propagated upwards. Cc: Aditya Pakki <pakki001@umn.edu> Cc: David S. Miller <davem@davemloft.net> Link: https://lore.kernel.org/r/20210503115736.2104747-47-gregkh@linuxfoundation.orgSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Anirudh Rayabharam authored
In case create_workqueue() fails, release all resources and return -ENOMEM to caller to avoid potential NULL pointer deref later. Move up the create_workequeue() call to return early and avoid unwinding the call to riocm_rx_fill(). Cc: Alexandre Bounine <alex.bou9@gmail.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Anirudh Rayabharam <mail@anirudhrb.com> Link: https://lore.kernel.org/r/20210503115736.2104747-46-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit 23015b22. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit has a memory leak on the error path here, it does not clean up everything properly. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Alexandre Bounine <alex.bou9@gmail.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Fixes: 23015b22 ("rapidio: fix a NULL pointer dereference when create_workqueue() fails") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-45-gregkh@linuxfoundation.orgSigned-off-by:
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Anirudh Rayabharam authored
Propagate error code from failure of ath6kl_wmi_cmd_send() to the caller. Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit fc6a6521. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The change being reverted does NOTHING as the caller to this function does not even look at the return value of the call. So the "claim" that this fixed an an issue is not true. It will be fixed up properly in a future patch by propagating the error up the stack correctly. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210503115736.2104747-43-gregkh@linuxfoundation.orgSigned-off-by:
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Phillip Potter authored
Move hw->cfg.mode and hw->addr.mode assignments from hw->ci->cfg_mode and hw->ci->addr_mode respectively, to be before the subsequent checks for memory IO mode (and possible ioremap calls in this case). Also introduce ioremap error checks at both locations. This allows resources to be properly freed on ioremap failure, as when the caller of setup_io then subsequently calls release_io via its error path, release_io can now correctly determine the mode as it has been set before the ioremap call. Finally, refactor release_io function so that it will call release_mem_region in the memory IO case, regardless of whether or not hw->cfg.p/hw->addr.p are NULL. This means resources are then properly released on failure. This properly implements the original reverted commit (d721fe99) from the University of Minnesota, whilst also implementing the ioremap check for the hw->ci->cfg_mode if block as well. Cc: David S. Miller <davem@davemloft.net> Signed-off-by:
Phillip Potter <phil@philpotter.co.uk> Link: https://lore.kernel.org/r/20210503115736.2104747-42-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit d721fe99. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit was incorrect, it should have never have used "unlikely()" and if it ever does trigger, resources are left grabbed. Given there are no users for this code around, I'll just revert this and leave it "as is" as the odds that ioremap() will ever fail here is horrendiously low. Cc: Kangjie Lu <kjlu@umn.edu> Cc: David S. Miller <davem@davemloft.net> Link: https://lore.kernel.org/r/20210503115736.2104747-41-gregkh@linuxfoundation.orgSigned-off-by:
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Igor Matheus Andrade Torrente authored
The return of ioremap if not checked, and can lead to a NULL to be assigned to hga_vram. Potentially leading to a NULL pointer dereference. The fix adds code to deal with this case in the error label and changes how the hgafb_probe handles the return of hga_card_detect. Cc: Ferenc Bakonyi <fero@drama.obuda.kando.hu> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Igor Matheus Andrade Torrente <igormtorrente@gmail.com> Link: https://lore.kernel.org/r/20210503115736.2104747-40-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit ec7f6aad. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. This patch "looks" correct, but the driver keeps on running and will fail horribly right afterward if this error condition ever trips. So points for trying to resolve an issue, but a huge NEGATIVE value for providing a "fake" fix for the problem as nothing actually got resolved at all. I'll go fix this up properly... Cc: Kangjie Lu <kjlu@umn.edu> Cc: Aditya Pakki <pakki001@umn.edu> Cc: Ferenc Bakonyi <fero@drama.obuda.kando.hu> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Fixes: ec7f6aad ("video: hgafb: fix potential NULL pointer dereference") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-39-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit a2c6433e. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original patch was incorrect, and would leak memory if the error path the patch added was hit. Cc: Aditya Pakki <pakki001@umn.edu> Reviewed-by:
Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20210503115736.2104747-37-gregkh@linuxfoundation.orgSigned-off-by:
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Atul Gopinathan authored
The field "fm_res" of "struct snd_sb8" is never used/dereferenced throughout the sb8.c code. Therefore there is no need for any null value check after the "request_region()". Add a comment note to make developers know about this and prevent any "NULL check" patches on this part of code. Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by:
Atul Gopinathan <atulgopinathan@gmail.com> Link: https://lore.kernel.org/r/20210503115736.2104747-36-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit dcd0feac. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit message for this change was incorrect as the code path can never result in a NULL dereference, alluding to the fact that whatever tool was used to "find this" is broken. It's just an optional resource reservation, so removing this check is fine. Cc: Kangjie Lu <kjlu@umn.edu> Acked-by:
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Greg Kroah-Hartman authored
This reverts commit 0f25e000. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit did nothing if there was an error, except to print out a message, which is pointless. So remove the commit as it gives a "false sense of doing something". Cc: Kangjie Lu <kjlu@umn.edu> Reviewed-by:
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Phillip Potter authored
Move ufshcd_set_variant call in ufs_hisi_init_common to common error section at end of the function, and then jump to this from the error checking statements for both devm_reset_control_get and ufs_hisi_get_resource. This fixes the original commit (63a06181) which was reverted due to the University of Minnesota problems. Suggested-by:
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Greg Kroah-Hartman authored
This reverts commit 63a06181. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit is incorrect, it does not properly clean up on the error path, so I'll keep the revert and fix it up properly with a follow-on patch. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Avri Altman <avri.altman@wdc.com> Cc: Martin K. Petersen <martin.petersen@oracle.com> Fixes: 63a06181 ("scsi: ufs: fix a missing check of devm_reset_control_get") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-31-gregkh@linuxfoundation.orgSigned-off-by:
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Tom Seewald authored
The function hpet_resources() calls ioremap() two times, but in both cases it does not check if ioremap() returned a null pointer. Fix this by adding null pointer checks and returning an appropriate error. Signed-off-by:
Tom Seewald <tseewald@gmail.com> Link: https://lore.kernel.org/r/20210503115736.2104747-30-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit 13bd14a4. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. While this is technically correct, it is only fixing ONE of these errors in this function, so the patch is not fully correct. I'll leave this revert and provide a fix for this later that resolves this same "problem" everywhere in this function. Cc: Kangjie Lu <kjlu@umn.edu> Link: https://lore.kernel.org/r/20210503115736.2104747-29-gregkh@linuxfoundation.orgSigned-off-by:
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Atul Gopinathan authored
The fields, "toc" and "cd_info", of "struct gdrom_unit gd" are allocated in "probe_gdrom()". Prevent a memory leak by making sure "gd.cd_info" is deallocated in the "remove_gdrom()" function. Also prevent double free of the field "gd.toc" by moving it from the module's exit function to "remove_gdrom()". This is because, in "probe_gdrom()", the function makes sure to deallocate "gd.toc" in case of any errors, so the exit function invoked later would again free "gd.toc". The patch also maintains consistency by deallocating the above mentioned fields in "remove_gdrom()" along with another memory allocated field "gd.disk". Suggested-by:
Jens Axboe <axboe@kernel.dk> Cc: Peter Rosin <peda@axentia.se> Cc: stable <stable@vger.kernel.org> Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit 093c4821. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. Because of this, all submissions from this group must be reverted from the kernel tree and will need to be re-reviewed again to determine if they actually are a valid fix. Until that work is complete, remove this change to ensure that no problems are being introduced into the codebase. Cc: Wenwen Wang <wang6495@umn.edu> Cc: Peter Rosin <peda@axentia.se> Cc: Jens Axboe <axboe@kernel.dk> Fixes: 093c4821 ("gdrom: fix a memory leak bug") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-27-gregkh@linuxfoundation.orgSigned-off-by:
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Tom Seewald authored
The function qlcnic_dl_lb_test() currently calls netdev_alloc_skb() without checking afterwards that the allocation succeeded. Fix this by checking if the skb is NULL and returning an error in such a case. Breaking out of the loop if the skb is NULL is not correct as no error would be reported to the caller and no message would be printed for the user. Cc: David S. Miller <davem@davemloft.net> Cc: stable <stable@vger.kernel.org> Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit 5bf7295f. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. This commit does not properly detect if an error happens because the logic after this loop will not detect that there was a failed allocation. Cc: Aditya Pakki <pakki001@umn.edu> Cc: David S. Miller <davem@davemloft.net> Fixes: 5bf7295f ("qlcnic: Avoid potential NULL pointer dereference") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-25-gregkh@linuxfoundation.orgSigned-off-by:
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Du Cheng authored
niu_pci_eeprom_read() may fail, so add checks to its return value and propagate the error up the callstack. An examination of the callstack up to niu_pci_eeprom_read shows that: niu_pci_eeprom_read() // returns int niu_pci_vpd_scan_props() // returns int niu_pci_vpd_fetch() // returns *void* niu_get_invariants() // returns int since niu_pci_vpd_fetch() returns void which breaks the bubbling up, change its return type to int so that error is propagated upwards. Signed-off-by:Du Cheng <ducheng2@gmail.com> Cc: Shannon Nelson <shannon.lee.nelson@gmail.com> Cc: David S. Miller <davem@davemloft.net> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-24-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit 26fd962b. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The change here was incorrect. While it is nice to check if niu_pci_eeprom_read() succeeded or not when using the data, any error that might have happened was not propagated upwards properly, causing the kernel to assume that these reads were successful, which results in invalid data in the buffer that was to contain the successfully read data. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Shannon Nelson <shannon.lee.nelson@gmail.com> Cc: David S. Miller <davem@davemloft.net> Fixes: 26fd962b ("niu: fix missing checks of niu_pci_eeprom_read") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-23-gregkh@linuxfoundation.orgSigned-off-by:
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Anirudh Rayabharam authored
In case clk_prepare() fails, capture and propagate the error code up the stack. If regulator_enable() was called earlier, properly unwind it by calling regulator_disable(). Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit f86a3b83. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit causes a memory leak when it is trying to claim it is properly handling errors. Revert this change and fix it up properly in a follow-on commit. Cc: Kangjie Lu <kjlu@umn.edu> Cc: David S. Miller <davem@davemloft.net> Fixes: f86a3b83 ("net: stmicro: fix a missing check of clk_prepare") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-21-gregkh@linuxfoundation.orgSigned-off-by:
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Du Cheng authored
The condition of dev == NULL is impossible in caif_xmit(), hence it is for the removal. Explanation: The static caif_xmit() is only called upon via a function pointer `ndo_start_xmit` defined in include/linux/netdevice.h: ``` struct net_device_ops { ... netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb, struct net_device *dev); ... } ``` The exhausive list of call points are: ``` drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c dev->netdev_ops->ndo_start_xmit(skb, dev); ^ ^ drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c struct opa_vnic_adapter *adapter = opa_vnic_priv(netdev); ^ ^ return adapter->rn_ops->ndo_start_xmit(skb, netdev); // adapter would crash first ^ ^ drivers/usb/gadget/function/f_ncm.c ncm->netdev->netdev_ops->ndo_start_xmit(NULL, ncm->netdev); ^ ^ include/linux/netdevice.h static inline netdev_tx_t __netdev_start_xmit(... { return ops->ndo_start_xmit(skb, dev); ^ } const struct net_device_ops *ops = dev->netdev_ops; ^ rc = __netdev_start_xmit(ops, skb, dev, more); ^ ``` In each of the enumerated scenarios, it is impossible for the NULL-valued dev to reach the caif_xmit() without crashing the kernel earlier, therefore `BUG_ON(dev == NULL)` is rather useless, hence the removal. Cc: David S. Miller <davem@davemloft.net> Signed-off-by: -
Greg Kroah-Hartman authored
This reverts commit c5dea815. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original change here was pointless as dev can never be NULL in this function so the claim in the changelog that this "fixes" anything is incorrect (also the developer forgot about panic_on_warn). A follow-up change will resolve this issue properly. Cc: Aditya Pakki <pakki001@umn.edu> Cc: David S. Miller <davem@davemloft.net> Link: https://lore.kernel.org/r/20210503115736.2104747-19-gregkh@linuxfoundation.orgSigned-off-by:
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Anirudh Rayabharam authored
In smcd_alloc_dev(), if alloc_ordered_workqueue() fails, properly catch it, clean up and return NULL to let the caller know there was a failure. Move the call to alloc_ordered_workqueue higher in the function in order to abort earlier without needing to unwind the call to device_initialize(). Cc: Ursula Braun <ubraun@linux.ibm.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit e183d4e4. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit causes a memory leak and does not properly fix the issue it claims to fix. I will send a follow-on patch to resolve this properly. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Ursula Braun <ubraun@linux.ibm.com> Cc: David S. Miller <davem@davemloft.net> Link: https://lore.kernel.org/r/20210503115736.2104747-17-gregkh@linuxfoundation.orgSigned-off-by:
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Anirudh Rayabharam authored
In fmvj18x_get_hwinfo(), if ioremap fails there will be NULL pointer deref. To fix this, check the return value of ioremap and return -1 to the caller in case of failure. Cc: "David S. Miller" <davem@davemloft.net> Acked-by:
Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit 9f4d6358. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original change does not change any behavior as the caller of this function onlyu checks for "== -1" as an error condition so this error is not handled properly. Remove this change and it will be fixed up properly in a later commit. Cc: Kangjie Lu <kjlu@umn.edu> Cc: David S. Miller <davem@davemloft.net> Reviewed-by:
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Greg Kroah-Hartman authored
If alloc_workqueue() fails, properly catch this and propagate the error to the calling functions, so that the devuce initialization will properly error out. Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Bryan Brattlof <hello@bryanbrattlof.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-14-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit 76597628. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. This commit is not correct, it should not have used unlikely() and is not propagating the error properly to the calling function, so it should be reverted at this point in time. Also, if the check failed, the work queue was still assumed to be allocated, so further accesses would have continued to fail, meaning this patch does nothing to solve the root issues at all. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Bryan Brattlof <hello@bryanbrattlof.com> Fixes: 76597628 ("rtlwifi: fix a potential NULL pointer dereference") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-13-gregkh@linuxfoundation.orgSigned-off-by:
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Atul Gopinathan authored
The macro "spi_register_driver" invokes the function "__spi_register_driver()" which has a return type of int and can fail, returning a negative value in such a case. This is currently ignored and the init() function yields success even if the spi driver failed to register. Fix this by collecting the return value of "__spi_register_driver()" and also unregister the uart driver in case of failure. Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit 51f689cc. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. This change did not properly unwind from the error condition, so it was not correct. Cc: Kangjie Lu <kjlu@umn.edu> Acked-by:
Jiri Slaby <jirislaby@kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-11-gregkh@linuxfoundation.orgSigned-off-by:
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Phillip Potter authored
Check return value of lp5xx_read and if non-zero, jump to code at end of the function, causing lp5523_stop_all_engines to be executed before returning the error value up the call chain. This fixes the original commit (248b5701) which was reverted due to the University of Minnesota problems. Cc: stable <stable@vger.kernel.org> Acked-by:
Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by:
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Greg Kroah-Hartman authored
This reverts commit 248b5701. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. The original commit does not properly unwind if there is an error condition so it needs to be reverted at this point in time. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com> Cc: stable <stable@vger.kernel.org> Fixes: 248b5701 ("leds: lp5523: fix a missing check of return value of lp55xx_read") Link: https://lore.kernel.org/r/20210503115736.2104747-9-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit beae7717. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It is safe to ignore this error as the mixer element is optional, and the driver is very legacy. Cc: Aditya Pakki <pakki001@umn.edu> Reviewed-by:
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Greg Kroah-Hartman authored
This reverts commit 5b711870. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to do does nothing useful as a user can do nothing with this information and if an error did happen, the code would continue on as before. Because of this, just revert it. Cc: Kangjie Lu <kjlu@umn.edu> Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Link: https://lore.kernel.org/r/20210503115736.2104747-7-gregkh@linuxfoundation.orgSigned-off-by:
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Greg Kroah-Hartman authored
This reverts commit 32f47179. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be not be needed at all as the change was useless because this function can only be called when of_match_device matched on something. So it should be reverted. Cc: Aditya Pakki <pakki001@umn.edu> Cc: stable <stable@vger.kernel.org> Fixes: 32f47179 ("serial: mvebu-uart: Fix to avoid a potential NULL pointer dereference") Acked-by:
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