1 files changed, 5 insertions, 2 deletions

diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 40ccb419b6e9..b36919c0d363 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -293,8 +293,11 @@ static ssize_t type##_store(struct device *dev,			\
 {                                                               \
         struct snd_hwdep *hwdep = dev_get_drvdata(dev);         \
         struct hda_codec *codec = hwdep->private_data;          \
-        char *after;                                            \
-        codec->type = simple_strtoul(buf, &after, 0);           \
+        unsigned long val;                                      \
+        int err = strict_strtoul(buf, 0, &val);                 \
+        if (err < 0)                                            \
+                return err;                                     \
+        codec->type = val;                                      \
         return count;                                           \
 }