From: Sage Weil <sage@newdream.net>
Date: Tue, 9 Aug 2011 22:05:07 +0000 (-0700)
Subject: libceph: warn on msg allocation failures
X-Git-Tag: v3.2-rc1~126^2~8
X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=f0ed1b7cef1e801ef470efc501f9c663fe10cebd;p=linux%2F.git

libceph: warn on msg allocation failures

Any non-masked msg allocation failure should generate a warning and stack
trace to the console.  All of these need to eventually be replaced by
safe preallocation or msgpools.

Signed-off-by: Sage Weil <sage@newdream.net>
---

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 2de711a0c037..f56aca302617 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2352,6 +2352,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags,
 	if (!can_fail) {
 		pr_err("msg_new can't create type %d front %d\n", type,
 		       front_len);
+		WARN_ON(1);
 	} else {
 		dout("msg_new can't create type %d front %d\n", type,
 		     front_len);