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-rw-r--r--net/core/dev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index df6ee2884e7..5b84eafb1a6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2038,7 +2038,8 @@ static bool can_checksum_protocol(unsigned long features, __be16 protocol)
static u32 harmonize_features(struct sk_buff *skb, __be16 protocol, u32 features)
{
- if (!can_checksum_protocol(features, protocol)) {
+ if (skb->ip_summed != CHECKSUM_NONE &&
+ !can_checksum_protocol(features, protocol)) {
features &= ~NETIF_F_ALL_CSUM;
features &= ~NETIF_F_SG;
} else if (illegal_highdma(skb->dev, skb)) {