gro: remove a sparse error

Fix following sparse error :

net/ipv4/af_inet.c:1410:59: warning: restricted __be16 degrades to
integer

added in commit db8caf3dbc77599
("gro: should aggregate frames without DF")

Reported-by: kbuild test robot <[email protected]>
From: Eric Dumazet <[email protected]>

Signed-off-by: David S. Miller <[email protected]>

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 5598b06d62dbc20394207c8245f688b4b9534a08..b4d0be2b7ce94ada2582bd6faf0d1dd29a8920f4 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1407,7 +1407,7 @@ static struct sk_buff **inet_gro_receive(struct sk_buff **head,
                NAPI_GRO_CB(p)->flush |=
                        (iph->ttl ^ iph2->ttl) |
                        (iph->tos ^ iph2->tos) |
-                       ((iph->frag_off ^ iph2->frag_off) & htons(IP_DF)) |
+                       (__force int)((iph->frag_off ^ iph2->frag_off) & htons(IP_DF)) |
                        ((u16)(ntohs(iph2->id) + NAPI_GRO_CB(p)->count) ^ id);
 
                NAPI_GRO_CB(p)->flush |= flush;