sock.c: potential null dereference
We test that "prot->rsk_prot" is non-null right before we dereference it
on this line.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/sock.c b/net/core/sock.c
index 61a65a2..c5812bb 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2288,7 +2288,8 @@
prot->rsk_prot->slab = NULL;
}
out_free_request_sock_slab_name:
- kfree(prot->rsk_prot->slab_name);
+ if (prot->rsk_prot)
+ kfree(prot->rsk_prot->slab_name);
out_free_sock_slab:
kmem_cache_destroy(prot->slab);
prot->slab = NULL;