Commit 17d25ae7 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Steven Rostedt (VMware)

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: 950313eb ("tools: bootconfig: Add bootconfig command")
Reported-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Tested-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent a0057403
...@@ -7,7 +7,7 @@ ...@@ -7,7 +7,7 @@
/* controllable printf */ /* controllable printf */
extern int pr_output; extern int pr_output;
#define printk(fmt, ...) \ #define printk(fmt, ...) \
(pr_output ? printf(fmt, __VA_ARGS__) : 0) (pr_output ? printf(fmt, ##__VA_ARGS__) : 0)
#define pr_err printk #define pr_err printk
#define pr_warn printk #define pr_warn printk
......
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