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| author | Zou Wei <zou_wei@huawei.com> | 2020-04-26 05:42:44 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-05-12 05:13:18 +0300 |
| commit | 8d925b1f00e6894e4c601cb1d395dab3bd66c374 (patch) | |
| tree | b1469cb10aba8e0f781e07d08801ee0dba9b4883 /drivers/scsi/aacraid | |
| parent | 29022b61307f1aab5564ef65dc268ab7f55b699c (diff) | |
| download | linux-8d925b1f00e6894e4c601cb1d395dab3bd66c374.tar.xz | |
scsi: aacraid: Use memdup_user() as a cleanup
Fix coccicheck warning which recommends to use memdup_user().
This patch fixes the following coccicheck warning:
drivers/scsi/aacraid/commctrl.c:516:15-22: WARNING opportunity for memdup_user
Link: https://lore.kernel.org/r/1587868964-75969-1-git-send-email-zou_wei@huawei.com
Fixes: 4645df1035b3 ("[PATCH] aacraid: swapped kmalloc args.")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid')
| -rw-r--r-- | drivers/scsi/aacraid/commctrl.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index ffe41bc111fc..102658bdc15a 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -513,15 +513,9 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) goto cleanup; } - user_srbcmd = kmalloc(fibsize, GFP_KERNEL); - if (!user_srbcmd) { - dprintk((KERN_DEBUG"aacraid: Could not make a copy of the srb\n")); - rcode = -ENOMEM; - goto cleanup; - } - if(copy_from_user(user_srbcmd, user_srb,fibsize)){ - dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n")); - rcode = -EFAULT; + user_srbcmd = memdup_user(user_srb, fibsize); + if (IS_ERR(user_srbcmd)) { + rcode = PTR_ERR(user_srbcmd); goto cleanup; } |