af_packet: fix freeing pg_vec twice on error path

It is introduced in:
        commit 0e3125c755445664f00ad036e4fc2cd32fd52877
        Author: Neil Horman <nhorman@tuxdriver.com>
        Date:   Tue Nov 16 10:26:47 2010 -0800

        packet: Enhance AF_PACKET implementation to not require high order contiguous memory allocation (v4)

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 1 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 9292ec93eb52..246a04a13234 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2409,7 +2409,6 @@ out:
 
 out_free_pgvec:
         free_pg_vec(pg_vec, order, block_nr);
-        kfree(pg_vec);
         pg_vec = NULL;
         goto out;
 }