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| author | Takashi Iwai <tiwai@suse.de> | 2018-03-08 08:32:41 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-03-08 08:41:13 +0100 |
| commit | 7a33a02ffb0620b01892c6c6808bb711b3f63e9c (patch) | |
| tree | 515538845d72e4ecaa2e992975af7913bd129bc5 /sound/core/vmaster.c | |
| parent | 2e2c177ca84aff092c3c96714b0f6a12900f3946 (diff) | |
| download | linux-7a33a02ffb0620b01892c6c6808bb711b3f63e9c.tar.bz2 | |
ALSA: vmaster: Zero-clear ctl before calling slave get
Use kzalloc() instead of kmalloc() so that we don't need to rely fully
on the slave get() callback to clear the control value that might be
copied to user-space.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/vmaster.c')
| -rw-r--r-- | sound/core/vmaster.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c index b67de2bb06a2..9e96186742d0 100644 --- a/sound/core/vmaster.c +++ b/sound/core/vmaster.c @@ -63,7 +63,7 @@ static int slave_update(struct link_slave *slave) struct snd_ctl_elem_value *uctl; int err, ch; - uctl = kmalloc(sizeof(*uctl), GFP_KERNEL); + uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); if (!uctl) return -ENOMEM; uctl->id = slave->slave.id; |