hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Clemens Ladisch 2011-08-04 16:17:42 +02:00 committed by Takashi Iwai
parent 2921623f71
commit 824818b148
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sound/usb/endpoint.c
View File

@ -352,7 +352,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
continue; continue;
} }
if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) || 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", snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n",
dev->devnum, iface_no, altno); dev->devnum, iface_no, altno);
continue; continue;