[PATCH] /dev/mem: Mark expected switch fall-through

[Gustavo A. R. Silva]

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
 drivers/char/mem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index ffeb60d..4b00d6a 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -765,6 +765,7 @@ static loff_t memory_lseek(struct file *file, loff_t 
offset, int orig)
        switch (orig) {
        case SEEK_CUR:
                offset += file->f_pos;
+               /* fall through */
        case SEEK_SET:
                /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
                if ((unsigned long long)offset >= -MAX_ERRNO) {
-- 
2.7.4