From: Eric Dumazet <eduma...@google.com>

commit 7cfd5fd5a9813f1430290d20c0fead9b4582a307 upstream.

On 32bit arches, (skb->end - skb->data) is not 'unsigned int',
so we shall use min_t() instead of min() to avoid a compiler error.

Fixes: 1272ce87fa01 ("gro: Enter slow-path if there is no tailroom")
Reported-by: kernel test robot <fengguang...@intel.com>
Signed-off-by: Eric Dumazet <eduma...@google.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Willy Tarreau <w...@1wt.eu>
---
 net/core/dev.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 95394a2..6900ff08 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3891,8 +3891,9 @@ static void skb_gro_reset_offset(struct sk_buff *skb)
            pinfo->nr_frags &&
            !PageHighMem(skb_frag_page(frag0))) {
                NAPI_GRO_CB(skb)->frag0 = skb_frag_address(frag0);
-               NAPI_GRO_CB(skb)->frag0_len = min(skb_frag_size(frag0),
-                                                 skb->end - skb->tail);
+               NAPI_GRO_CB(skb)->frag0_len = min_t(unsigned int,
+                                                   skb_frag_size(frag0),
+                                                   skb->end - skb->tail);
        }
 }
 
-- 
2.8.0.rc2.1.gbe9624a

Reply via email to