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| author | Takashi Iwai <tiwai@suse.de> | 2012-01-09 18:22:35 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-01-09 18:27:44 +0100 |
| commit | 9badda0a0afffebbe1cb30565800896534a6c5bd (patch) | |
| tree | 2b004e66d252420b68ce68f86c07444576c6dc7b /sound/pci | |
| parent | 80c8a2a372599e604b04a9c568952fe39cd1851d (diff) | |
| download | lwn-9badda0a0afffebbe1cb30565800896534a6c5bd.tar.gz lwn-9badda0a0afffebbe1cb30565800896534a6c5bd.zip | |
ALSA: hdsp - Fix potential Oops in snd_hdsp_info_pref_sync_ref()
Dan Carpenter reported that setting 0 to uinfo->value.enumerated.items
in snd_hdsp_info_pref_sync_ref() may lead to Oops. This function should
return an error immediately in such a case instead.
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 0111203859b6..b68cdec03b9e 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -2640,8 +2640,7 @@ static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd uinfo->value.enumerated.items = 3; break; default: - uinfo->value.enumerated.items = 0; - break; + return -EINVAL; } if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) |