diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-02 23:22:20 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-02 23:22:20 -0300 |
commit | 5c545e1fb127a4b11ddc5f1a5ed066b853dd1a1a (patch) | |
tree | d4cd913bc79d37d32756a9bffbeedabf93e32579 /sound/core/control.c | |
parent | b4b7ff4b08e691656c9d77c758fc355833128ac0 (diff) |
Linux-libre 4.4.1-gnupck-4.4.1-gnu
Diffstat (limited to 'sound/core/control.c')
-rw-r--r-- | sound/core/control.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 196a6fe10..a85d45595 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1405,6 +1405,8 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file, return -EFAULT; if (tlv.length < sizeof(unsigned int) * 2) return -EINVAL; + if (!tlv.numid) + return -EINVAL; down_read(&card->controls_rwsem); kctl = snd_ctl_find_numid(card, tlv.numid); if (kctl == NULL) { |