When 'SAVAGEFB_DEBUG' is not defined, modify the DBG() 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/savage/savagefb_driver.c:2411:13: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
Signed-off-by: Randy Dunlap rdunlap@infradead.org Cc: Antonino Daplas adaplas@gmail.com 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/savage/savagefb.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-next-20200313.orig/drivers/video/fbdev/savage/savagefb.h +++ linux-next-20200313/drivers/video/fbdev/savage/savagefb.h @@ -21,7 +21,7 @@ #ifdef SAVAGEFB_DEBUG # define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x)); #else -# define DBG(x) +# define DBG(x) no_printk(x) # define SavagePrintRegs(...) #endif