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scsi: aacraid: Fix an oops in error handling

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If the memdup_user() function fails then it results in an Oops in the
error handling code when we try to kfree() and error pointer.

Link: https://lore.kernel.org/r/20200513093703.GB347693@mwanda
Fixes: 8d925b1f00 ("scsi: aacraid: Use memdup_user() as a cleanup")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Dan Carpenter 2020-05-13 12:37:03 +03:00 committed by Martin K. Petersen
parent 55ce24b3bf
commit 25c21d20bc
1 changed files with 1 additions and 0 deletions
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drivers/scsi/aacraid/commctrl.c
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@ -516,6 +516,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
user_srbcmd = memdup_user(user_srb, fibsize);
if (IS_ERR(user_srbcmd)) {
rcode = PTR_ERR(user_srbcmd);
user_srbcmd = NULL;
goto cleanup;
}