[PATCH] tcp: fix error return code in tcp_xmit_probe_skb

[Hongbin Wang <wh_bin@xxxxxxx>]

When alloc_skb failed, should return ENOMEM

Signed-off-by: Hongbin Wang <wh_bin@xxxxxxx>
---
 net/ipv4/tcp_output.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index c221f3bce975..b97c85814d9c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3996,7 +3996,7 @@ static int tcp_xmit_probe_skb(struct sock *sk, int urgent, int mib)
 	skb = alloc_skb(MAX_TCP_HEADER,
 			sk_gfp_mask(sk, GFP_ATOMIC | __GFP_NOWARN));
 	if (!skb)
-		return -1;
+		return -ENOMEM;
 
 	/* Reserve space for headers and set control bits. */
 	skb_reserve(skb, MAX_TCP_HEADER);
-- 
2.25.1