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>
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 467c9a1..7668388 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -1054,7 +1054,7 @@
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 */