From: Mark Haverkamp <markh@osdl.org>
Date: Wed, 11 Jan 2006 17:28:07 +0000 (-0800)
Subject: [SCSI] aacraid: Fix default FIB size
X-Git-Tag: firefly_0821_release~38898^2~56
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6e289a9023d589c24f86b29186d324215cdc9947;p=firefly-linux-kernel-4.4.55.git

[SCSI] aacraid: Fix default FIB size

Received from Mark Salyzyn.

If the adapter has not instructed us otherwise that it can handle a
'large' FIB, then it can handle at most a 2KB FIB.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---

diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index ef623bd965f5..4fe79cd7c957 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -85,6 +85,10 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
 	if (size < le16_to_cpu(kfib->header.SenderSize))
 		size = le16_to_cpu(kfib->header.SenderSize);
 	if (size > dev->max_fib_size) {
+		if (size > 2048) {
+			retval = -EINVAL;
+			goto cleanup;
+		}
 		/* Highjack the hw_fib */
 		hw_fib = fibptr->hw_fib;
 		hw_fib_pa = fibptr->hw_fib_pa;