From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] iw_cxgb4: Drop peer_abort when no endpoint found.
Date: Mon, 30 Apr 2012 15:31:29 -0500 [thread overview]
Message-ID: <20120430203129.14228.19855.stgit@build.ogc.int> (raw)
Log a warning and drop the abort message. Otherwise
we will do a bogus wake_up() and crash.
Signed-off-by: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
drivers/infiniband/hw/cxgb4/cm.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 8f43143..b75d407 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2656,6 +2656,12 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb)
unsigned int tid = GET_TID(req);
ep = lookup_tid(t, tid);
+ if (!ep) {
+ printk(KERN_WARNING MOD
+ "Abort on non-existent endpoint, tid %d\n", tid);
+ kfree_skb(skb);
+ return 0;
+ }
if (is_neg_adv_abort(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep,
ep->hwtid);
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next reply other threads:[~2012-04-30 20:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-30 20:31 Steve Wise [this message]
[not found] ` <20120430203129.14228.19855.stgit-T4OLL4TyM9aNDNWfRnPdfg@public.gmane.org>
2012-05-03 17:44 ` [PATCH] iw_cxgb4: Drop peer_abort when no endpoint found Roland Dreier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120430203129.14228.19855.stgit@build.ogc.int \
--to=swise-7bpotxp6k4+p2yhjcf5u+vpxobypeauw@public.gmane.org \
--cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox