From 239a7dc2fea4d079bc3090b5514497a5ced400d3 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 30 May 2007 12:57:07 -0500
Subject: [PATCH] [SCSI] iscsi_transport: Check iscsi interface skb allocation
return value
Let's not oops when we cannot allocate a skb! Add a check
for if alloc_skb fails.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---
drivers/scsi/scsi_transport_iscsi.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index caf1836bbeca..4fbd8e1a0695 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -609,12 +609,10 @@ iscsi_if_send_reply(int pid, int seq, int type, int done, int multi,
int t = done ? NLMSG_DONE : type;
skb = alloc_skb(len, GFP_ATOMIC);
- /*
- * FIXME:
- * user is supposed to react on iferror == -ENOMEM;
- * see iscsi_if_rx().
- */
- BUG_ON(!skb);
+ if (!skb) {
+ printk(KERN_ERR "Could not allocate skb to send reply.\n");
+ return -ENOMEM;
+ }
nlh = __nlmsg_put(skb, pid, seq, t, (len - sizeof(*nlh)), 0);
nlh->nlmsg_flags = flags;
--
GitLab