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Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 1db66398358..2c2b13a999e 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4529,6 +4529,9 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size)
struct tcphdr *th;
bool fragstolen;
+ if (size == 0)
+ return 0;
+
skb = alloc_skb(size + sizeof(*th), sk->sk_allocation);
if (!skb)
goto err;