提交 cea80ea8 编写于 作者: D Daniel Borkmann 提交者: David S. Miller

net: checksum: fix warning in skb_checksum

This patch fixes a build warning in skb_checksum() by wrapping the
csum_partial() usage in skb_checksum(). The problem is that on a few
architectures, csum_partial is used with prefix asmlinkage whereas
on most architectures it's not. So fix this up generically as we did
with csum_block_add_ext() to match the signature. Introduced by
2817a336 ("net: skb_checksum: allow custom update/combine for
walking skb").
Reported-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NDaniel Borkmann <dborkman@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 394efd19
......@@ -98,6 +98,11 @@ static inline __wsum csum_unfold(__sum16 n)
return (__force __wsum)n;
}
static inline __wsum csum_partial_ext(const void *buff, int len, __wsum sum)
{
return csum_partial(buff, len, sum);
}
#define CSUM_MANGLED_0 ((__force __sum16)0xffff)
static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)
......
......@@ -2003,7 +2003,7 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset,
int len, __wsum csum)
{
const struct skb_checksum_ops ops = {
.update = csum_partial,
.update = csum_partial_ext,
.combine = csum_block_add_ext,
};
......
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