tcp: Fix build against musl, __sum16 comes from linux/types.h

Use a plain uint16_t instead and avoid including one extra header:
the 'bitwise' attribute of __sum16 is just used by sparse(1).

Reported-by: omni <omni+alpine@hack.org>
Fixes: 3d484aa370 ("tcp: Update TCP checksum using an iovec array")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2024-10-30 21:31:05 +01:00
parent ee7d0b62a7
commit d165d36a0c

8
tcp.c
View file

@ -766,7 +766,7 @@ static void tcp_update_check_tcp4(const struct iphdr *iph,
struct in_addr saddr = { .s_addr = iph->saddr };
struct in_addr daddr = { .s_addr = iph->daddr };
size_t check_ofs;
__sum16 *check;
uint16_t *check;
int check_idx;
uint32_t sum;
char *ptr;
@ -797,7 +797,7 @@ static void tcp_update_check_tcp4(const struct iphdr *iph,
return;
}
check = (__sum16 *)ptr;
check = (uint16_t *)ptr;
*check = 0;
*check = csum_iov(iov, iov_cnt, l4offset, sum);
@ -816,7 +816,7 @@ static void tcp_update_check_tcp6(const struct ipv6hdr *ip6h,
{
uint16_t l4len = ntohs(ip6h->payload_len);
size_t check_ofs;
__sum16 *check;
uint16_t *check;
int check_idx;
uint32_t sum;
char *ptr;
@ -848,7 +848,7 @@ static void tcp_update_check_tcp6(const struct ipv6hdr *ip6h,
return;
}
check = (__sum16 *)ptr;
check = (uint16_t *)ptr;
*check = 0;
*check = csum_iov(iov, iov_cnt, l4offset, sum);