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authorClemens Ladisch <clemens@ladisch.de>2011-08-04 16:17:42 +0200
committerTakashi Iwai <tiwai@suse.de>2011-08-04 16:23:47 +0200
commit824818b148db42173446707df4cbd61cd7133272 (patch)
treeb4e0127e8478bc3e3432a7568aac19e6fdc18e63 /sound/usb/endpoint.c
parentsound: oss/pas2: Remove CLOCK_TICK_RATE dependency from PAS16 driver (diff)
downloadlinux-824818b148db42173446707df4cbd61cd7133272.tar.xz
linux-824818b148db42173446707df4cbd61cd7133272.zip
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/usb/endpoint.c')
-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 7c0d21ecd821..7d46e482375d 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;