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Fix not checked kmalloc() result.

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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>
This commit is contained in:
Pavel Emelyanov 2008-05-06 18:49:02 +04:00 committed by John W. Linville
parent f84e71a94c
commit 0eb03d5a14
1 changed files with 7 additions and 1 deletions
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8
net/mac80211/mesh_pathtbl.c
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@ -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;