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-rw-r--r--net/bridge/br_if.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index fdec773f5b52..07956ecf545e 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -376,15 +376,20 @@ void br_features_recompute(struct net_bridge *br)
376 features = br->feature_mask & ~NETIF_F_ALL_CSUM; 376 features = br->feature_mask & ~NETIF_F_ALL_CSUM;
377 377
378 list_for_each_entry(p, &br->port_list, list) { 378 list_for_each_entry(p, &br->port_list, list) {
379 if (checksum & NETIF_F_NO_CSUM && 379 unsigned long feature = p->dev->features;
380 !(p->dev->features & NETIF_F_NO_CSUM)) 380
381 if (checksum & NETIF_F_NO_CSUM && !(feature & NETIF_F_NO_CSUM))
381 checksum ^= NETIF_F_NO_CSUM | NETIF_F_HW_CSUM; 382 checksum ^= NETIF_F_NO_CSUM | NETIF_F_HW_CSUM;
382 if (checksum & NETIF_F_HW_CSUM && 383 if (checksum & NETIF_F_HW_CSUM && !(feature & NETIF_F_HW_CSUM))
383 !(p->dev->features & NETIF_F_HW_CSUM))
384 checksum ^= NETIF_F_HW_CSUM | NETIF_F_IP_CSUM; 384 checksum ^= NETIF_F_HW_CSUM | NETIF_F_IP_CSUM;
385 if (!(p->dev->features & NETIF_F_IP_CSUM)) 385 if (!(feature & NETIF_F_IP_CSUM))
386 checksum = 0; 386 checksum = 0;
387 features &= p->dev->features; 387
388 if (feature & NETIF_F_GSO)
389 feature |= NETIF_F_TSO;
390 feature |= NETIF_F_GSO;
391
392 features &= feature;
388 } 393 }
389 394
390 br->dev->features = features | checksum | NETIF_F_LLTX; 395 br->dev->features = features | checksum | NETIF_F_LLTX;