[PATCH 4/9] sound: fix empty-body warning in vx_core.c

From: Randy Dunlap
Date: Sat Apr 18 2020 - 14:41:38 EST


Fix gcc empty-body warning when -Wextra is used:

../sound/drivers/vx/vx_core.c:515:3: warning: suggest braces around empty body in an âifâ statement [-Wempty-body]

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
sound/drivers/vx/vx_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- linux-next-20200327.orig/sound/drivers/vx/vx_core.c
+++ linux-next-20200327/sound/drivers/vx/vx_core.c
@@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/firmware.h>
+#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/io.h>
#include <sound/core.h>
@@ -512,7 +513,7 @@ irqreturn_t snd_vx_threaded_irq_handler(
* received by the board is equal to one of those given to it).
*/
if (events & TIME_CODE_EVENT_PENDING)
- ; /* so far, nothing to do yet */
+ do_empty(); /* so far, nothing to do yet */

/* The frequency has changed on the board (UER mode). */
if (events & FREQUENCY_CHANGE_EVENT_PENDING)