From 7c78c3f6589eeba9e2a4d7f7abbcaaeb6a89d833 Mon Sep 17 00:00:00 2001 From: Marc-André Lureau Date: Wed, 18 Feb 2009 21:35:18 +0200 Subject: alsa-util: check if mixer_poll_descriptors_count() < 0 --- src/modules/alsa/alsa-util.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'src/modules/alsa') diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c index c53fd10d..a0907c4d 100644 --- a/src/modules/alsa/alsa-util.c +++ b/src/modules/alsa/alsa-util.c @@ -113,7 +113,7 @@ static void io_cb(pa_mainloop_api*a, pa_io_event* e, int fd, pa_io_event_flags_t static void defer_cb(pa_mainloop_api*a, pa_defer_event* e, void *userdata) { struct pa_alsa_fdlist *fdl = userdata; unsigned num_fds, i; - int err; + int err, n; struct pollfd *temp; pa_assert(a); @@ -122,7 +122,11 @@ static void defer_cb(pa_mainloop_api*a, pa_defer_event* e, void *userdata) { a->defer_enable(fdl->defer, 0); - num_fds = (unsigned) snd_mixer_poll_descriptors_count(fdl->mixer); + if ((n = snd_mixer_poll_descriptors_count(fdl->mixer)) < 0) { + pa_log("snd_mixer_poll_descriptors_count() failed: %s", snd_strerror(n)); + return; + } + num_fds = (unsigned) n; if (num_fds != fdl->num_fds) { if (fdl->fds) -- cgit