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BUILD: mworker: fix ignoring return value of ‘read’

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Fix read return value unused result.

src/haproxy.c: In function ‘main’:
src/haproxy.c:3630:17: error: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
 3630 |                 read(sock_pair[1], &c, 1);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~

Must be backported where d7f6819 is backported.
This commit is contained in:
William Lallemand 2025-08-28 15:00:19 +02:00
parent 7232677385
commit ffdccb6e04
1 changed files with 3 additions and 2 deletions
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5
src/haproxy.c
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@ -3591,6 +3591,7 @@ int main(int argc, char **argv)
int sock_pair[2];
char *msg = NULL;
char c;
int r __maybe_unused;
if (socketpair(PF_UNIX, SOCK_STREAM, 0, sock_pair) == -1) {
ha_alert("[%s.main()] Cannot create socketpair to update the new worker state\n",
@ -3626,8 +3627,8 @@ int main(int argc, char **argv)
* after confirming receipt of the "\n" from the CLI applet, so
* we make sure that the fd is received correctly.
*/
shutdown(sock_pair[1], SHUT_WR);
read(sock_pair[1], &c, 1);
shutdown(sock_pair[1], SHUT_WR);
r = read(sock_pair[1], &c, 1);
close(sock_pair[1]);
close(sock_pair[0]);
ha_free(&msg);