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ovs: fix dp check in ovs_dp_reset_user_features 

This fixes crash when userspace does "ovs-dpctl add-dp dev" where dev is
existing non-dp netdevice.

Introduced by:
commit 44da5ae5fb
"openvswitch: Drop user features if old user space attempted to create datapath"

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Jesse Gross <jesse@nicira.com>
hifive-unleashed-5.1
Jiri Pirko 2014-02-14 11:42:36 +01:00 committed by Jesse Gross
parent c14e0953ca
commit 3c7eacfc8a
1 changed files with 1 additions and 1 deletions
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2
net/openvswitch/datapath.c
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@ -1174,7 +1174,7 @@ static void ovs_dp_reset_user_features(struct sk_buff *skb, struct genl_info *in
struct datapath *dp;
dp = lookup_datapath(sock_net(skb->sk), info->userhdr, info->attrs);
if (!dp)
if (IS_ERR(dp))
return;
WARN(dp->user_features, "Dropping previously announced user features\n");