diff options
| author | Masami Hiramatsu <mhiramat@kernel.org> | 2020-02-07 22:55:01 +0900 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-02-10 12:06:43 -0500 |
| commit | 17d25ae7f10e247bcea1f66268f746576cf9c86d (patch) | |
| tree | c7660aae292dc8616d8c2fbc160d8b32a77c4c8c /tools/bootconfig | |
| parent | a00574036c261421721fa770ccd21a1012e1fbbd (diff) | |
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 <mpe@ellerman.id.au>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools/bootconfig')
| -rw-r--r-- | tools/bootconfig/include/linux/printk.h | 2 |
1 files changed, 1 insertions, 1 deletions
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 |