[PATCH] staging: most: sound: fix noderef.cocci warnings

[kbuild test robot]

From: kbuild test robot <fengguang.wu at intel.com>

drivers/staging/most/sound/sound.c:673:21-27: ERROR: application of sizeof to pointer

 sizeof when applied to a pointer typed expression gives the size of
 the pointer

Generated by: scripts/coccinelle/misc/noderef.cocci

Fixes: 58bce1efd0e8 ("staging: most: sound: rename variable")
CC: Christian Gromm <christian.gromm at microchip.com>
Signed-off-by: kbuild test robot <fengguang.wu at intel.com>
---

url:    https://github.com/0day-ci/linux/commits/Christian-Gromm/staging-most-sound-change-sound-card-layout/20181213-063731

 sound.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/most/sound/sound.c
+++ b/drivers/staging/most/sound/sound.c
@@ -670,7 +670,7 @@ skip_adpt_alloc:
 		goto err_free_adpt;
 
 	pcm->private_data = channel;
-	snprintf(pcm->name, sizeof(device_name), device_name);
+	snprintf(pcm->name, sizeof(*device_name), device_name);
 	snd_pcm_set_ops(pcm, direction, &pcm_ops);
 
 	if (create) {