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ALSA: snd-usb-caiaq: fix stream count check
authorDaniel Mack <daniel@zonque.org>
Sun, 4 Jan 2015 18:59:29 +0000 (19:59 +0100)
committerTakashi Iwai <tiwai@suse.de>
Mon, 5 Jan 2015 07:56:19 +0000 (08:56 +0100)
commit49cdd5b641933fda6324fc901eaf856924ba6a27
tree58b313a1df09183fd4aa86f034dc5b7dbfb2da2atree | snapshot
parent62f64a880af2e82d1b41cb02cb43b88d30413993commit | diff
ALSA: snd-usb-caiaq: fix stream count check

Commit 897c329bc ("ALSA: usb: caiaq: check for cdev->n_streams > 1")
introduced a safety check to protect against bogus data provided by
devices. However, the n_streams variable is already divided by
CHANNELS_PER_STREAM, so the correct check is 'n_streams > 0'.

Fix this to un-break support for stereo devices.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Cc: stable@kernel.org [v3.18+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/caiaq/audio.c diff | blob | history
Linux kernel for KaRo TX COM modules