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| author |   Jonathan Aillet <jonathan.aillet@iot.bzh> | 2019-08-14 17:58:29 +0200 |
|---|---|---|
| committer | Jonathan Aillet <jonathan.aillet@iot.bzh> | 2019-08-14 17:58:29 +0200 |
| commit | a9e19b4ce2888312e43007d28928da45cf91f507 (patch) | |
| tree | 0f052a12485fa9521e97a9534693fd64b5321da9 /alsa-binding | |
| parent | 33e6fa922e81bcf7341c0476c20f095b9e778e12 (diff) | |
Avoid epoll errors to be fired indefinitely
When a audio card with control event generation is removed,
avoid epoll errors to be fired indefinitely by event loop.
Bug-AGL: SPEC-2749
Change-Id: I65dddc2f9714fa2303773b212bc3cad7cb164d73
Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>
Diffstat (limited to 'alsa-binding')
| -rw-r--r-- | alsa-binding/Alsa-RegEvt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/alsa-binding/Alsa-RegEvt.c b/alsa-binding/Alsa-RegEvt.c index 974431e..36bb590 100644 --- a/alsa-binding/Alsa-RegEvt.c +++ b/alsa-binding/Alsa-RegEvt.c @@ -101,6 +101,12 @@ STATIC int sndCtlEventCB(sd_event_source* src, int fd, uint32_t revents, void* u ctlRequestT ctlRequest; snd_ctl_elem_id_t *elemId; + if ((revents & EPOLLERR) != 0) { + AFB_ERROR("An error has been send by event loop polling, prevent new errors to be fired by deleting event src"); + sd_event_source_unref(src); + return -1; + } + if ((revents & EPOLLHUP) != 0) { AFB_NOTICE("SndCtl hanghup [car disconnected]"); goto ExitOnSucess; |