Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932637Ab2E0BHd (ORCPT ); Sat, 26 May 2012 21:07:33 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:36809 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932338Ab2E0BHY (ORCPT ); Sat, 26 May 2012 21:07:24 -0400 Message-Id: <20120527010426.734018249@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Sun, 27 May 2012 10:04:44 +0900 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Steve Wise , Roland Dreier Subject: [ 21/94] RDMA/cxgb4: Drop peer_abort when no endpoint found In-Reply-To: <20120527010332.GA11170@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1263 Lines: 41 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Steve Wise commit 14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f upstream. Log a warning and drop the abort message. Otherwise we will do a bogus wake_up() and crash. Signed-off-by: Steve Wise Signed-off-by: Roland Dreier Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/cxgb4/cm.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -2654,6 +2654,12 @@ static int peer_abort_intr(struct c4iw_d 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-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/