Message ID | 1401858171-4448-1-git-send-email-agoode@google.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 21fd3e956ee8a307a06bc6e095f5767a00eb2a7e |
Headers | show |
At Wed, 4 Jun 2014 01:02:51 -0400, Adam Goode wrote: > > snd_seq_event_dup returns -ENOMEM in some buffer-full conditions, > but usually returns -EAGAIN. Make -EAGAIN trigger the overflow > condition in snd_seq_fifo_event_in so that the fifo is cleared > and -ENOSPC is returned to userspace as stated in the alsa-lib docs. > > Signed-off-by: Adam Goode <agoode@google.com> Thanks, applied. Takashi > > diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c > index 5599899..53a403e 100644 > --- a/sound/core/seq/seq_fifo.c > +++ b/sound/core/seq/seq_fifo.c > @@ -124,7 +124,7 @@ int snd_seq_fifo_event_in(struct snd_seq_fifo *f, > snd_use_lock_use(&f->use_lock); > err = snd_seq_event_dup(f->pool, event, &cell, 1, NULL); /* always non-blocking */ > if (err < 0) { > - if (err == -ENOMEM) > + if ((err == -ENOMEM) || (err == -EAGAIN)) > atomic_inc(&f->overflow); > snd_use_lock_free(&f->use_lock); > return err; > -- > 1.9.1.423.g4596e3a >
diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c index 5599899..53a403e 100644 --- a/sound/core/seq/seq_fifo.c +++ b/sound/core/seq/seq_fifo.c @@ -124,7 +124,7 @@ int snd_seq_fifo_event_in(struct snd_seq_fifo *f, snd_use_lock_use(&f->use_lock); err = snd_seq_event_dup(f->pool, event, &cell, 1, NULL); /* always non-blocking */ if (err < 0) { - if (err == -ENOMEM) + if ((err == -ENOMEM) || (err == -EAGAIN)) atomic_inc(&f->overflow); snd_use_lock_free(&f->use_lock); return err;
snd_seq_event_dup returns -ENOMEM in some buffer-full conditions, but usually returns -EAGAIN. Make -EAGAIN trigger the overflow condition in snd_seq_fifo_event_in so that the fifo is cleared and -ENOSPC is returned to userspace as stated in the alsa-lib docs. Signed-off-by: Adam Goode <agoode@google.com>