/dev/mem: Mark expected switch fall-through

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

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index ffeb60d3434c..4b00d6adcccf 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) {