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| author | Takashi Iwai <tiwai@suse.de> | 2019-08-26 13:55:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-08-26 13:55:21 +0200 |
| commit | 60849562a5db4a1eee2160167e4dce4590d3eafe (patch) | |
| tree | 1d91d41ddca7aca332fd6de303fe32757655651a /sound/usb/mixer.c | |
| parent | e0ccdef92653f8867e2d1667facfd3c23699f540 (diff) | |
| download | lwn-60849562a5db4a1eee2160167e4dce4590d3eafe.tar.gz lwn-60849562a5db4a1eee2160167e4dce4590d3eafe.zip | |
ALSA: usb-audio: Fix possible NULL dereference at create_yamaha_midi_quirk()
The previous addition of descriptor validation may lead to a NULL
dereference at create_yamaha_midi_quirk() when either injd or outjd is
NULL. Add proper non-NULL checks.
Fixes: 57f8770620e9 ("ALSA: usb-audio: More validations of descriptor units")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer.c')
0 files changed, 0 insertions, 0 deletions