- 26 Dec, 2008 40 commits
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Hannes Eder authored
Fix this sparse warnings: drivers/net/wireless/ath9k/eeprom.c:195:6: warning: symbol 'ath9k_fill_eeprom' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:463:5: warning: symbol 'ath9k_check_eeprom' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:1219:6: warning: symbol 'ath9k_hw_set_def_power_per_rate_table' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:1510:6: warning: symbol 'ath9k_hw_set_4k_power_per_rate_table' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2007:5: warning: symbol 'ath9k_set_txpower' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2106:6: warning: symbol 'ath9k_set_addac' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2543:6: warning: symbol 'ath9k_eeprom_set_board_values' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2606:5: warning: symbol 'ath9k_get_eeprom_antenna_cfg' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2622:4: warning: symbol 'ath9k_hw_get_4k_num_ant_config' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2628:4: warning: symbol 'ath9k_hw_get_def_num_ant_config' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2647:4: warning: symbol 'ath9k_get_num_ant_config' was not declared. Should it be static? drivers/net/wireless/ath9k/eeprom.c:2790:5: warning: symbol 'ath9k_get_eeprom' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/wireless/airo.c:3610:6: warning: symbol 'mpi_receive_802_11' was not declared. Should it be static? drivers/net/wireless/atmel.c:3183:6: warning: symbol 'atmel_join_bss' was not declared. Should it be static? drivers/net/wireless/ray_cs.c:831:5: warning: symbol 'ray_dev_init' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
The symbols are only references within the translation unit they are defined in, so un-EXPORT them und make them 'static'. Fix this sparse warnings: drivers/net/wan/z85230.c:604:25: warning: symbol 'z8530_dma_sync' was not declared. Should it be static? drivers/net/wan/z85230.c:613:25: warning: symbol 'z8530_txdma_sync' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warning: drivers/net/wan/x25_asy.c:623:5: warning: symbol 'x25_asy_esc' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/wan/wanxl.c:414:3: warning: do-while statement is not a compound statement drivers/net/wan/wanxl.c:441:3: warning: do-while statement is not a compound statement Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/tulip/de2104x.c:1695:4: warning: do-while statement is not a compound statement drivers/net/tulip/tulip_core.c:1433:5: warning: do-while statement is not a compound statement Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/tokenring/ibmtr.c:1840:6: warning: symbol 'tok_rerun' was not declared. Should it be static? drivers/net/tokenring/madgemc.c:469:16: warning: symbol 'madgemc_setnselout_pins' was not declared. Should it be static? drivers/net/tokenring/proteon.c:286:16: warning: symbol 'proteon_setnselout_pins' was not declared. Should it be static? drivers/net/tokenring/skisa.c:303:16: warning: symbol 'sk_isa_setnselout_pins' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/skfp/skfddi.c:620:13: warning: symbol 'skfp_interrupt' was not declared. Should it be static? drivers/net/skfp/skfddi.c:687:25: warning: symbol 'skfp_ctl_get_stats' was not declared. Should it be static? drivers/net/skfp/skfddi.c:1232:6: warning: symbol 'CheckSourceAddress' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/qlge/qlge_ethtool.c:100:6: warning: symbol 'ql_update_stats' was not declared. Should it be static? drivers/net/qlge/qlge_mpi.c:22:5: warning: symbol 'ql_get_mb_sts' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/netxen/netxen_nic_hw.c:1462:18: warning: Using plain integer as NULL pointer drivers/net/netxen/netxen_nic_hw.c:1536:18: warning: Using plain integer as NULL pointer Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/ixgbe/ixgbe_82598.c:180:5: warning: symbol 'ixgbe_get_copper_link_capabilities_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_82598.c:245:5: warning: symbol 'ixgbe_setup_fc_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_82598.c:729:5: warning: symbol 'ixgbe_set_vmdq_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_82598.c:773:5: warning: symbol 'ixgbe_set_vfta_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_82598.c:897:5: warning: symbol 'ixgbe_read_analog_reg8_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_82598.c:919:5: warning: symbol 'ixgbe_write_analog_reg8_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_82598.c:940:5: warning: symbol 'ixgbe_read_i2c_eeprom_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_82598.c:1000:5: warning: symbol 'ixgbe_get_supported_physical_layer_82598' was not declared. Should it be static? drivers/net/ixgbe/ixgbe_dcb_82598.c:100:5: warning: symbol 'ixgbe_dcb_config_packet_buffers_82598' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/irda/ma600-sir.c:239:5: warning: symbol 'ma600_reset' was not declared. Should it be static? drivers/net/irda/smsc-ircc2.c:875:5: warning: symbol 'smsc_ircc_hard_xmit_sir' was not declared. Should it be static? drivers/net/irda/smsc-ircc2.c:1131:6: warning: symbol 'smsc_ircc_set_sir_speed' was not declared. Should it be static? drivers/net/irda/smsc-ircc2.c:1897:6: warning: symbol 'smsc_ircc_sir_start' was not declared. Should it be static? drivers/net/irda/w83977af_ir.c:150:5: warning: symbol 'w83977af_open' was not declared. Should it be static? drivers/net/irda/w83977af_ir.c:313:5: warning: symbol 'w83977af_probe' was not declared. Should it be static? drivers/net/irda/w83977af_ir.c:412:6: warning: symbol 'w83977af_change_speed' was not declared. Should it be static? drivers/net/irda/w83977af_ir.c:492:5: warning: symbol 'w83977af_hard_xmit' was not declared. Should it be static? drivers/net/irda/w83977af_ir.c:734:5: warning: symbol 'w83977af_dma_receive' was not declared. Should it be static? drivers/net/irda/w83977af_ir.c:806:5: warning: symbol 'w83977af_dma_receive_complete' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this warning: drivers/net/igb/e1000_mac.c:54: warning: 'igb_read_pci_cfg' defined but not used Signed-off-by: Hannes Eder <hannes@hanneseder.net> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warning: drivers/net/enic/vnic_dev.c:288:5: warning: symbol 'vnic_dev_capable' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/e1000e/es2lan.c:1265:5: warning: symbol 'e1000_read_kmrn_reg_80003es2lan' was not declared. Should it be static? drivers/net/e1000e/es2lan.c:1298:5: warning: symbol 'e1000_write_kmrn_reg_80003es2lan' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
The function 'vsc8211_set_speed_duplex' is not used, so comment it out. For 'vsc8211_set_automdi' the function 'vsc8211_set_speed_duplex' is the only caller, so comment it out as well. Fix this (sparse) warning: drivers/net/cxgb3/vsc8211.c:269: warning: 'vsc8211_set_automdi' defined but not used drivers/net/cxgb3/vsc8211.c:295:5: warning: symbol 'vsc8211_set_speed_duplex' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/bonding/bond_main.c:104:20: warning: symbol 'bonding_defaults' was not declared. Should it be static? drivers/net/bonding/bond_main.c:204:22: warning: symbol 'ad_select_tbl' was not declared. Should it be static? drivers/net/bonding/bond_sysfs.c:60:21: warning: symbol 'bonding_rwsem' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/atlx/atl1.c:198:16: warning: symbol 'atl1_check_options' was not declared. Should it be static? drivers/net/atlx/atl1.c:526:5: warning: symbol 'atl1_read_mac_addr' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/arcnet/capmode.c:64:6: warning: symbol 'arcnet_cap_init' was not declared. Should it be static? drivers/net/arcnet/com90xx.c:586:5: warning: symbol 'com90xx_reset' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warnings: drivers/net/3c523.c:350:6: warning: symbol 'alloc586' was not declared. Should it be static? drivers/net/cs89x0.c:1029:14: warning: symbol 'reset_chip' was not declared. Should it be static? drivers/net/eepro.c:1399:1: warning: symbol 'read_eeprom' was not declared. Should it be static? drivers/net/plip.c:1020:5: warning: symbol 'plip_hard_header_cache' was not declared. Should it be static? drivers/net/s2io.c:5116:6: warning: symbol 'do_s2io_store_unicast_mc' was not declared. Should it be static? drivers/net/smc9194.c:767:12: warning: symbol 'smc_findirq' was not declared. Should it be static? Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warning: drivers/net/niu.c:8850:2: warning: returning void-valued expression Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
While at it insert some extra curly braces and fix formatting. Fix this sparse warnings: drivers/net/atp.c:811:8: warning: do-while statement is not a compound statement drivers/net/atp.c:813:8: warning: do-while statement is not a compound statement drivers/net/atp.c:815:11: warning: do-while statement is not a compound statement drivers/net/atp.c:817:11: warning: do-while statement is not a compound statement drivers/net/plip.c:642:4: warning: do-while statement is not a compound statement drivers/net/plip.c:647:4: warning: do-while statement is not a compound statement drivers/net/plip.c:820:4: warning: do-while statement is not a compound statement drivers/net/plip.c:825:4: warning: do-while statement is not a compound statement drivers/net/starfire.c:886:3: warning: do-while statement is not a compound statement Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Eder authored
Fix this sparse warning: drivers/net/ne.c:932:24: warning: non-ANSI function declaration of function 'init_module' Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Nathan Lynch authored
With slub debug enabled, I see the following errors and crash with 2.6.28-rc9: IBM eHEA ethernet device driver (Release EHEA_0095) ehea: Error in ehea_h_register_rpage_mr: not on pageboundary ehea: Error in ehea_reg_mr_section: register_rpage_mr failed ehea: Error in ehea_reg_kernel_mr: registering mr failed ehea: Error in ehea_setup_ports: creating MR failed ehea 23c00100.lhea: setup_ports failed Unable to handle kernel paging request for data at address 0x6b6b6b6b6b6bbdcb Faulting instruction address: 0xd000000000064a24 cpu 0x0: Vector: 300 (Data Access) at [c0000000740e7190] pc: d000000000064a24: .ehea_update_firmware_handles+0x84/0x47c [ehea] lr: d00000000006df34: .ehea_probe_adapter+0x35c/0x39c [ehea] sp: c0000000740e7410 msr: 8000000000009032 dar: 6b6b6b6b6b6bbdcb dsisr: 40000000 current = 0xc000000074233780 paca = 0xc0000000008a3300 pid = 2046, comm = modprobe enter ? for help [c0000000740e74f0] d00000000006df34 .ehea_probe_adapter+0x35c/0x39c [ehea] [c0000000740e75a0] c00000000041d5a4 .of_platform_device_probe+0x78/0xb0 [c0000000740e7630] c0000000002d8b38 .driver_probe_device+0x13c/0x200 [c0000000740e76c0] c0000000002d8c90 .__driver_attach+0x94/0xd8 [c0000000740e7750] c0000000002d7d64 .bus_for_each_dev+0x80/0xd8 [c0000000740e7800] c0000000002d889c .driver_attach+0x28/0x40 [c0000000740e7880] c0000000002d8340 .bus_add_driver+0xd4/0x284 [c0000000740e7920] c0000000002d90a0 .driver_register+0xc4/0x198 [c0000000740e79d0] c00000000041d45c .of_register_driver+0x4c/0x60 [c0000000740e7a50] c000000000020ef8 .ibmebus_register_driver+0x30/0x4c [c0000000740e7ae0] d00000000006e108 .ehea_module_init+0x194/0x208c [ehea] [c0000000740e7b90] c000000000009028 .do_one_initcall+0x90/0x1ac [c0000000740e7d90] c00000000008619c .sys_init_module+0xc4/0x200 [c0000000740e7e30] c0000000000084ac syscall_exit+0x0/0x40 (When slub debug is disabled it works fine.) PAGE_SIZE allocations via slab are not guaranteed to be page-aligned; use get_zeroed_page for the 'pt' buffer (I don't really know what this is, only that it is passed to firmware and that the first error message complains about its alignment). This allows the system to boot. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yevgeny Petrilin authored
They are controlled through Ethtool interface. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yevgeny Petrilin authored
They are controlled through Ethtool interface, no need to have two ways to modify them. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yevgeny Petrilin authored
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yevgeny Petrilin authored
There is no need to synchronize the polling with the transmit function. The only place to synchronize is when we process the cq from the transmit function. Also removed spin_lock_irq, and using spin_trylock, if somebody else is already processing the cq, no need to wait for it to finish. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yevgeny Petrilin authored
If port is being destroyed without being activated before, CQ resources are not freed. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
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Brice Goglin authored
Update myri10ge driver version to 1.4.4-1.395. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Brice Goglin authored
Update myri10ge firmware headers to 1.4.37: * Make each member of the error/cmd enum an initialized one, so there is a convenient numerical reference to look for reverse conversion. * Add new MXGEFW_CMD_RELAX_RXBUFFER_ALIGNMENT command. * Add new "features" field to mcp_header. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Johannes Berg authored
Polling doesn't seem to be necessary on my hardware, at least I haven't seen any bad effects testing it a while. Remove the polling so the CPU doesn't have to wake up a hundred times per second. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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Julia Lawall authored
atif is tested for being NULL twice, with the same effect in each case. I have kept the second test, as it seems to fit well with the comment above it. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
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Julia Lawall authored
arg is checked not to be NULL a few lines before. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
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Julia Lawall authored
In each case, ap is checked not to be NULL a few lines before. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
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Julia Lawall authored
In each case, vpage is checked not to be NULL just after it is initialized at the beginning of each loop iteration. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
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Julia Lawall authored
phydev is checked to be not NULL a few lines above. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roel Kluin authored
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Vegard Nossum authored
See commit 1045b03e ("netlink: fix overrun in attribute iteration") for a detailed explanation of why this patch is necessary. In short, nlmsg_next() can make "remaining" go negative, and the remaining >= sizeof(...) comparison will promote "remaining" to an unsigned type, which means that the expression will evaluate to true for negative numbers, even though it was not intended. I put "theoretical" in the title because I have no evidence that this can actually happen, but I suspect that a crafted netlink packet can trigger some badness. Note that the last test, which seemingly has the exact same problem (also true for nla_ok()), is perfectly OK, since we already know that remaining is positive. Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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