Commit 1ee1710c authored by Wei Yongjun's avatar Wei Yongjun Committed by Greg Kroah-Hartman

wusb: fix error return code in wusb_prf()

Fix to return error code -ENOMEM from the kmalloc() error handling
case instead of 0, as done elsewhere in this function.

Fixes: a19b882c ("wusb: Stop using the stack for sg crypto scratch space")
Signed-off-by: default avatarWei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 733cbe06
...@@ -339,8 +339,10 @@ ssize_t wusb_prf(void *out, size_t out_size, ...@@ -339,8 +339,10 @@ ssize_t wusb_prf(void *out, size_t out_size,
goto error_setkey_aes; goto error_setkey_aes;
} }
scratch = kmalloc(sizeof(*scratch), GFP_KERNEL); scratch = kmalloc(sizeof(*scratch), GFP_KERNEL);
if (!scratch) if (!scratch) {
result = -ENOMEM;
goto error_alloc_scratch; goto error_alloc_scratch;
}
for (bitr = 0; bitr < (len + 63) / 64; bitr++) { for (bitr = 0; bitr < (len + 63) / 64; bitr++) {
sfn_le = cpu_to_le64(sfn++); sfn_le = cpu_to_le64(sfn++);
......
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