Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-26 14:12:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

tools: hv: Check return value of poll call

Browse Source 
Check return value of poll call and if it fails print error
to the system log. If errno is EINVAL then exit with non-zero
value otherwise continue the while loop and call poll again.

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Acked-by:  K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Hozza 2013-05-22 14:54:31 +02:00 committed by Greg Kroah-Hartman
parent 3590160322
commit 4d81e30744
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
tools/hv/hv_kvp_daemon.c
View File

@ -1490,7 +1490,16 @@ int main(void)
socklen_t addr_l = sizeof(addr); socklen_t addr_l = sizeof(addr);
pfd.events = POLLIN; pfd.events = POLLIN;
pfd.revents = 0; pfd.revents = 0;
poll(&pfd, 1, -1);
if (poll(&pfd, 1, -1) < 0) {
syslog(LOG_ERR, "poll failed; error: %d %s", errno, strerror(errno));
if (errno == EINVAL) {
close(fd);
exit(EXIT_FAILURE);
}
else
continue;
}
len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0, len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0,
addr_p, &addr_l); addr_p, &addr_l);