diff options
| author | Pavel Emelyanov <xemul@openvz.org> | 2008-05-06 16:49:02 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-05-13 03:22:19 +0200 |
| commit | 0eb03d5a14377eecf6ed0ebf3cc2c9f48c12c7c6 (patch) | |
| tree | da81b29d4eb3aec06926d7bcf7c5fe94bd63fa84 /net/mac80211/mesh_pathtbl.c | |
| parent | Fix GFP_KERNEL allocation under read lock. (diff) | |
| download | linux-0eb03d5a14377eecf6ed0ebf3cc2c9f48c12c7c6.tar.xz linux-0eb03d5a14377eecf6ed0ebf3cc2c9f48c12c7c6.zip | |
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.c | 8 |
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; |