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/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>
This commit is contained in:
Gustavo A. R. Silva 2018-07-02 12:57:24 -05:00 committed by Greg Kroah-Hartman
parent 7fb2fd4e25
commit 5faecb0162
1 changed files with 1 additions and 0 deletions
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1
drivers/char/mem.c
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@ -765,6 +765,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
switch (orig) { switch (orig) {
case SEEK_CUR: case SEEK_CUR:
offset += file->f_pos; offset += file->f_pos;
/* fall through */
case SEEK_SET: case SEEK_SET:
/* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */ /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
if ((unsigned long long)offset >= -MAX_ERRNO) { if ((unsigned long long)offset >= -MAX_ERRNO) {