forked from luck/tmp_suning_uos_patched
82fd4b05d7
The recent change to move the virmidi output processing to a work
slightly modified the code to discard the unsubscribed outputs so that
it works without a temporary buffer. However, this is actually buggy,
and may spew a kernel warning due to the unexpected call of
snd_rawmidi_transmit_ack(), as triggered by syzbot.
This patch takes back to the original code in that part, use a
temporary buffer and simply repeat snd_rawmidi_transmit(), in order to
address the regression.
Fixes:
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.. | ||
oss | ||
seq | ||
compress_offload.c | ||
control_compat.c | ||
control.c | ||
ctljack.c | ||
device.c | ||
hrtimer.c | ||
hwdep_compat.c | ||
hwdep.c | ||
info_oss.c | ||
info.c | ||
init.c | ||
isadma.c | ||
jack.c | ||
Kconfig | ||
Makefile | ||
memalloc.c | ||
memory.c | ||
misc.c | ||
pcm_compat.c | ||
pcm_dmaengine.c | ||
pcm_drm_eld.c | ||
pcm_iec958.c | ||
pcm_lib.c | ||
pcm_local.h | ||
pcm_memory.c | ||
pcm_misc.c | ||
pcm_native.c | ||
pcm_param_trace.h | ||
pcm_timer.c | ||
pcm_trace.h | ||
pcm.c | ||
rawmidi_compat.c | ||
rawmidi.c | ||
seq_device.c | ||
sgbuf.c | ||
sound_oss.c | ||
sound.c | ||
timer_compat.c | ||
timer.c | ||
vmaster.c |