ALSA: hda - Fix parse of init_verbs sysfs entry

Fixed the parse of init_verbs hwdep sysfs entry.
Simplieied using sscanf.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 8 insertions, 7 deletions

diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 482fb0304ca9..4ae51dcb81af 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -277,18 +277,19 @@ static ssize_t init_verbs_store(struct device *dev,
 {
         struct snd_hwdep *hwdep = dev_get_drvdata(dev);
         struct hda_codec *codec = hwdep->private_data;
-        char *p;
-        struct hda_verb verb, *v;
+        struct hda_verb *v;
+        int nid, verb, param;
 
-        verb.nid = simple_strtoul(buf, &p, 0);
-        verb.verb = simple_strtoul(p, &p, 0);
-        verb.param = simple_strtoul(p, &p, 0);
-        if (!verb.nid || !verb.verb || !verb.param)
+        if (sscanf(buf, "%i %i %i", &nid, &verb, &param) != 3)
+                return -EINVAL;
+        if (!nid || !verb)
                 return -EINVAL;
         v = snd_array_new(&codec->init_verbs);
         if (!v)
                 return -ENOMEM;
-        *v = verb;
+        v->nid = nid;
+        v->verb = verb;
+        v->param = param;
         return count;
 }