When 'DEBUG' is not defined, modify the DPRINTK() macro to use the no_printk() macro instead of using <empty>. This fixes a build warning when -Wextra is used and provides printk format checking:
../drivers/video/fbdev/core/fbmon.c:812:47: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body] ../drivers/video/fbdev/core/fbmon.c:842:24: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body] ../drivers/video/fbdev/core/fbmon.c:847:24: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
Signed-off-by: Randy Dunlap rdunlap@infradead.org Cc: Bartlomiej Zolnierkiewicz b.zolnierkie@samsung.com Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org --- Alternative: use pr_debug() so that CONFIG_DYNAMIC_DEBUG can be used at these sites.
drivers/video/fbdev/core/fbmon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-next-20200313.orig/drivers/video/fbdev/core/fbmon.c +++ linux-next-20200313/drivers/video/fbdev/core/fbmon.c @@ -44,7 +44,7 @@ #ifdef DEBUG #define DPRINTK(fmt, args...) printk(fmt,## args) #else -#define DPRINTK(fmt, args...) +#define DPRINTK(fmt, args...) no_printk(fmt, ##args) #endif
#define FBMON_FIX_HEADER 1