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linux/sound
Takashi Iwai 6cc4e5eaad ALSA: hdsp: Break infinite MIDI input flush loop
[ Upstream commit c01f3815453e2d5f699ccd8c8c1f93a5b8669e59 ]

The current MIDI input flush on HDSP and HDSPM drivers relies on the
hardware reporting the right value.  If the hardware doesn't give the
proper value but returns -1, it may be stuck at an infinite loop.

Add a counter and break if the loop is unexpectedly too long.

Link: https://patch.msgid.link/20240808091513.31380-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-10-10 11:57:30 +02:00
..
2023-08-18 09:09:39 +02:00