From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Venkateswararao Jujjuri (JV)" Subject: [PATCH] [net/9p] Add a Warning to catch NULL fids passed to p9_client_clunk(). Date: Wed, 25 Aug 2010 09:27:06 -0700 Message-ID: <1282753626-28268-1-git-send-email-jvrao@linux.vnet.ibm.com> Cc: linux-fsdevel@vger.kernel.org, "Venkateswararao Jujjuri (JV)" To: v9fs-developer@lists.sourceforge.net Return-path: Received: from e2.ny.us.ibm.com ([32.97.182.142]:40542 "EHLO e2.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752659Ab0HYQRt (ORCPT ); Wed, 25 Aug 2010 12:17:49 -0400 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e2.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id o7PG3Tkk001794 for ; Wed, 25 Aug 2010 12:03:29 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o7PGHldh089474 for ; Wed, 25 Aug 2010 12:17:47 -0400 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o7PGHkev023054 for ; Wed, 25 Aug 2010 10:17:47 -0600 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Signed-off-by: Venkateswararao Jujjuri --- net/9p/client.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/net/9p/client.c b/net/9p/client.c index dc6f2f2..aa7be29 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1201,6 +1201,12 @@ int p9_client_clunk(struct p9_fid *fid) struct p9_client *clnt; struct p9_req_t *req; + if (!fid) { + P9_EPRINTK(KERN_WARNING, "Trying to clunk with NULL fid\n"); + dump_stack(); + return 0; + } + P9_DPRINTK(P9_DEBUG_9P, ">>> TCLUNK fid %d\n", fid->fid); err = 0; clnt = fid->clnt; -- 1.6.5.2