linux-kernel - [PATCH 4/9] sound: fix empty-body warning in vx

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Message-Id: <20200418184111.13401-5-rdunlap@infradead.org>
Date:   Sat, 18 Apr 2020 11:41:06 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org,
        "J. Bruce Fields" <bfields@...ldses.org>,
        Chuck Lever <chuck.lever@...cle.com>,
        linux-nfs@...r.kernel.org,
        Johannes Berg <johannes@...solutions.net>,
        Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>, linux-nvdimm@...ts.01.org,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        Zzy Wysm <zzy@...wysm.com>
Subject: [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@...radead.org>
Cc: Jaroslav Kysela <perex@...ex.cz>
Cc: Takashi Iwai <tiwai@...e.com>
Cc: alsa-devel@...a-project.org
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 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)