[PATCH] ipvs: freeing uninitialized pointer on error

[Simon Horman <horms@xxxxxxxxxxxx>]

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

If state != IP_VS_STATE_BACKUP then tinfo->buf is uninitialized.  If
kthread_run() fails then it means we free random memory resulting in an
oops.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
 net/netfilter/ipvs/ip_vs_sync.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index effa10c..44fd10c 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1795,6 +1795,8 @@ int start_sync_thread(struct net *net, int state, char 
*mcast_ifn, __u8 syncid)
                                             GFP_KERNEL);
                        if (!tinfo->buf)
                                goto outtinfo;
+               } else {
+                       tinfo->buf = NULL;
                }
                tinfo->id = id;
 
-- 
1.7.10.4

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