test_bpf: Fix NULL vs IS_ERR() check in test_skb_segment()
The skb_segment() function returns error pointers on error. It never
returns NULL.
Fixes: 76db8087c4c9 ("net: bpf: add a test for skb_segment in test_bpf module")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Yonghong Song <yhs@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index b2badf6..8e15780 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -6649,7 +6649,7 @@ static __init int test_skb_segment(void)
}
segs = skb_segment(skb, features);
- if (segs) {
+ if (!IS_ERR(segs)) {
kfree_skb_list(segs);
ret = 0;
pr_info("%s: success in skb_segment!", __func__);
