From: Pavel Emelyanov <xemul@openvz.org>
Date: Wed, 7 May 2008 15:54:04 +0000 (+0400)
Subject: mac80211: Do not report false error from mesh_path_add.
X-Git-Tag: v2.6.27-rc1~969^2~337^2~119
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3282aea9ea5644a5b0161ad0fbd70fbf1099a470;p=linux-2.6

mac80211: Do not report false error from mesh_path_add.

In case the hash grow failed, it is not fair to return error -
the new node _was_ _actually_ added in this case.

Besides, after my previous patch, this grow is more likely
to fail on large hashes.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 1154398ece..947b13b407 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -206,7 +206,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 		newtbl = mesh_table_grow(mesh_paths);
 		if (!newtbl) {
 			write_unlock(&pathtbl_resize_lock);
-			return -ENOMEM;
+			return 0;
 		}
 		rcu_assign_pointer(mesh_paths, newtbl);
 		write_unlock(&pathtbl_resize_lock);