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authorClemens Ladisch <clemens@ladisch.de>2011-08-04 14:17:42 (GMT)
committerTakashi Iwai <tiwai@suse.de>2011-08-04 14:23:47 (GMT)
commit824818b148db42173446707df4cbd61cd7133272 (patch)
treeb4e0127e8478bc3e3432a7568aac19e6fdc18e63 /sound
parent2921623f71c0a7f8ab979a8903cccd7a374436e7 (diff)
downloadlinux-824818b148db42173446707df4cbd61cd7133272.tar.xz
ALSA: snd-usb: Accept UAC2 FORMAT_TYPE descriptors with bLength > 6
The Focusrite Scarlett 18i6 USB has them that way, which is probably a bug. Anyway, the driver should simply ignore this fact. Signed-off-by: Daniel Mack <zonque@gmail.com> Reported-by: Nicolai Krakowiak <nicolai.krakowiak@gmail.com> Cc: stable@kernel.org Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/endpoint.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 7c0d21e..7d46e48 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -352,7 +352,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
continue;
}
if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) ||
- ((protocol == UAC_VERSION_2) && (fmt->bLength != 6))) {
+ ((protocol == UAC_VERSION_2) && (fmt->bLength < 6))) {
snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n",
dev->devnum, iface_no, altno);
continue;