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-rw-r--r--sound/pci/hda/hda_hwdep.c15
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,
277{ 277{
278 struct snd_hwdep *hwdep = dev_get_drvdata(dev); 278 struct snd_hwdep *hwdep = dev_get_drvdata(dev);
279 struct hda_codec *codec = hwdep->private_data; 279 struct hda_codec *codec = hwdep->private_data;
280 char *p; 280 struct hda_verb *v;
281 struct hda_verb verb, *v; 281 int nid, verb, param;
282 282
283 verb.nid = simple_strtoul(buf, &p, 0); 283 if (sscanf(buf, "%i %i %i", &nid, &verb, &param) != 3)
284 verb.verb = simple_strtoul(p, &p, 0); 284 return -EINVAL;
285 verb.param = simple_strtoul(p, &p, 0); 285 if (!nid || !verb)
286 if (!verb.nid || !verb.verb || !verb.param)
287 return -EINVAL; 286 return -EINVAL;
288 v = snd_array_new(&codec->init_verbs); 287 v = snd_array_new(&codec->init_verbs);
289 if (!v) 288 if (!v)
290 return -ENOMEM; 289 return -ENOMEM;
291 *v = verb; 290 v->nid = nid;
291 v->verb = verb;
292 v->param = param;
292 return count; 293 return count;
293} 294}
294 295