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udp: Fix signedness warning on 32-bits architectures

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When a ssize_t is an int:

udp.c: In function ‘udp_sock_handler’:
udp.c:774:23: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘ssize_t’ {aka ‘int’} [-Wsign-compare]
  774 |         for (i = 0; i < n; i += m) {
      |                       ^
udp.c:781:43: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘ssize_t’ {aka ‘int’} [-Wsign-compare]
  781 |                         for (m = 1; i + m < n; m++) {
      |

Change 'i' and 'm' counters in udp_sock_handler() to signed versions,
to match ssize_t n.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2023-02-28 00:59:19 +01:00
parent f6b6b66a88
commit 83236216c4
1 changed files with 1 additions and 1 deletions
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udp.c
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@ -754,7 +754,7 @@ void udp_sock_handler(struct ctx *c, union epoll_ref ref, uint32_t events,
in_port_t dstport = ref.r.p.udp.udp.port;
bool v6 = ref.r.p.udp.udp.v6;
struct mmsghdr *mmh_recv;
unsigned int i, m;
int i, m;
if (!(events & EPOLLIN))
return;