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alsaaudio: Remove unused error handling of qemu_set_fd_handler 

The function cannot fail, so the check is superfluous.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1433400324-7358-10-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng 2015-06-04 14:45:20 +08:00 committed by Stefan Hajnoczi
parent 6484e42247
commit be93f21627
1 changed files with 2 additions and 14 deletions
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16
audio/alsaaudio.c
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@ -266,31 +266,19 @@ static int alsa_poll_helper (snd_pcm_t *handle, struct pollhlp *hlp, int mask)
for (i = 0; i < count; ++i) {
if (pfds[i].events & POLLIN) {
err = qemu_set_fd_handler (pfds[i].fd, alsa_poll_handler,
NULL, hlp);
qemu_set_fd_handler (pfds[i].fd, alsa_poll_handler, NULL, hlp);
}
if (pfds[i].events & POLLOUT) {
if (conf.verbose) {
dolog ("POLLOUT %d %d\n", i, pfds[i].fd);
}
err = qemu_set_fd_handler (pfds[i].fd, NULL,
alsa_poll_handler, hlp);
qemu_set_fd_handler (pfds[i].fd, NULL, alsa_poll_handler, hlp);
}
if (conf.verbose) {
dolog ("Set handler events=%#x index=%d fd=%d err=%d\n",
pfds[i].events, i, pfds[i].fd, err);
}
if (err) {
dolog ("Failed to set handler events=%#x index=%d fd=%d err=%d\n",
pfds[i].events, i, pfds[i].fd, err);
while (i--) {
qemu_set_fd_handler (pfds[i].fd, NULL, NULL, NULL);
}
g_free (pfds);
return -1;
}
}
hlp->pfds = pfds;
hlp->count = count;