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authorGustavo A. R. Silva <gustavo@embeddedor.com>2018-07-02 19:57:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-07 17:35:00 +0200
commit5faecb0162883df2b06965c7e6dd7c42278f7e0d (patch)
treebf9cb867f219f4b174f6e6b918f4ba82a058ea90
parentvmci: type promotion bug in qp_host_get_user_memory() (diff)
downloadlinux-5faecb0162883df2b06965c7e6dd7c42278f7e0d.tar.xz
linux-5faecb0162883df2b06965c7e6dd7c42278f7e0d.zip
/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>
-rw-r--r--drivers/char/mem.c1
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) {