gro: use min_t() in skb_gro_reset_offset()

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.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 88d2907ca2cd..07b307b0b414 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4441,8 +4441,9 @@ 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);
         }
 }