ALSA: hda/ca0132 - Fix superfluous unsigned check

Fix a warning by smatch, sound/pci/hda/patch_ca0132.c:714 dspio_send() warn: always true condition '(res >= 0) => (0-u32max >= 0)' Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
git-mirror · Jan 15, 2013 · b645d79 · b645d79
1 parent a0c041c
commit b645d79
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
@@ -1054,7 +1054,7 @@ static void chipio_enable_clocks(struct hda_codec *codec)
 static int dspio_send(struct hda_codec *codec, unsigned int reg,
 		      unsigned int data)
 {
-	unsigned int res;
+	int res;
 	int retry = 50;
 
 	/* send bits of data specified by reg to dsp */