From: He Zhe <zhe...@windriver.com>
A compilation -Wimplicit-fallthrough warning was enabled by commit
a035d552a93b ("Makefile: Globally enable fall-through warning")
and triggers the following warning.
fs/aufs/opts.h:78:11:
warning: this statement may fall through [-Wimplicit-fallthrough=]
This patch adds comments according GNU manual.
https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#Warning-Options
Signed-off-by: He Zhe <zhe...@windriver.com>
---
fs/aufs/opts.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/aufs/opts.c b/fs/aufs/opts.c
index d370108..01fae8b 100644
--- a/fs/aufs/opts.c
+++ b/fs/aufs/opts.c
@@ -1499,8 +1499,10 @@ static int au_opt_br(struct super_block *sb, struct
au_opt *opt,
if (opt->add.bindex < 0)
opt->add.bindex = 0;
goto add;
+ /* Always goto add, not fallthrough */
case Opt_prepend:
opt->add.bindex = 0;
+ /* fallthrough */
add: /* indented label */
case Opt_add:
err = au_br_add(sb, &opt->add,
--
2.7.4
