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authorPavel Emelyanov <xemul@openvz.org>2008-05-06 18:49:02 +0400
committerJohn W. Linville <linville@tuxdriver.com>2008-05-12 21:22:19 -0400
commit0eb03d5a14377eecf6ed0ebf3cc2c9f48c12c7c6 (patch)
treeda81b29d4eb3aec06926d7bcf7c5fe94bd63fa84 /net/mac80211/mesh_pathtbl.c
parentf84e71a94cb5f88d86ab50c251e09379925b80b9 (diff)
Fix not checked kmalloc() result.
The new_node kmallocation is not checked for success, so add this check. BTW, it also happens under the read_lock. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
-rw-r--r--net/mac80211/mesh_pathtbl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 727aa528c831..1d2d051e5976 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -164,13 +164,19 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
err = -ENOMEM;
goto endadd2;
}
+ new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
+ if (!new_node) {
+ kfree(new_mpath);
+ atomic_dec(&sdata->u.sta.mpaths);
+ err = -ENOMEM;
+ goto endadd2;
+ }
read_lock(&pathtbl_resize_lock);
memcpy(new_mpath->dst, dst, ETH_ALEN);
new_mpath->dev = dev;
new_mpath->flags = 0;
skb_queue_head_init(&new_mpath->frame_queue);
- new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
new_node->mpath = new_mpath;
new_mpath->timer.data = (unsigned long) new_mpath;
new_mpath->timer.function = mesh_path_timer;