From 17d25ae7f10e247bcea1f66268f746576cf9c86d Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Fri, 7 Feb 2020 22:55:01 +0900 Subject: tools/bootconfig: Fix wrong __VA_ARGS__ usage Since printk() wrapper macro uses __VA_ARGS__ without "##" prefix, it causes a build error if there is no variable arguments (e.g. only fmt is specified.) To fix this error, use ##__VA_ARGS__ instead of __VAR_ARGS__. Link: http://lkml.kernel.org/r/158108370130.2758.10893830923800978011.stgit@devnote2 Fixes: 950313ebf79c ("tools: bootconfig: Add bootconfig command") Reported-by: Michael Ellerman Tested-by: Michael Ellerman Signed-off-by: Masami Hiramatsu Signed-off-by: Steven Rostedt (VMware) --- tools/bootconfig/include/linux/printk.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/bootconfig/include') diff --git a/tools/bootconfig/include/linux/printk.h b/tools/bootconfig/include/linux/printk.h index 017bcd6912a5..e978a63d3222 100644 --- a/tools/bootconfig/include/linux/printk.h +++ b/tools/bootconfig/include/linux/printk.h @@ -7,7 +7,7 @@ /* controllable printf */ extern int pr_output; #define printk(fmt, ...) \ - (pr_output ? printf(fmt, __VA_ARGS__) : 0) + (pr_output ? printf(fmt, ##__VA_ARGS__) : 0) #define pr_err printk #define pr_warn printk -- cgit v1.2.3