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[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>
This commit is contained in:
Mike Christie 2007-05-30 12:57:07 -05:00 committed by James Bottomley
parent 5c9cfeddbb
commit 239a7dc2fe
1 changed files with 4 additions and 6 deletions
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10
drivers/scsi/scsi_transport_iscsi.c
View File

@ -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;