1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index d85ac1a9d2c0..fbcd48d0bfc3 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -511,7 +511,8 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
                 goto cleanup;
         }
 
-        if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) {
+        if ((fibsize < (sizeof(struct user_aac_srb) - sizeof(struct user_sgentry))) ||
+            (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))) {
                 rcode = -EINVAL;
                 goto cleanup;
         }