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

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 ‘if’ statement [-Wempty-body] Signed-off-by: Randy Dunlap <rdunlap(a)infradead.org&gt; Cc: Jaroslav Kysela <perex(a)perex.cz&gt; Cc: Takashi Iwai <tiwai(a)suse.com&gt; Cc: alsa-devel(a)alsa-project.org Cc: Linus Torvalds <torvalds(a)linux-foundation.org&gt; Cc: Andrew Morton <akpm(a)linux-foundation.org&gt; --- 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)