driver core: handle user namespaces properly with the uid/gid devtmpfs change

Now that devtmpfs is caring about uid/gid, we need to use the correct
internal types so users who have USER_NS enabled will have things work
properly for them.

Thanks to Eric for pointing this out, and the patch review.

Reported-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/block/genhd.c b/block/genhd.c
index dfcec431ceea..20625eed5511 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1112,7 +1112,7 @@ struct class block_class = {
 };
 
 static char *block_devnode(struct device *dev, umode_t *mode,
-			   uid_t *uid, gid_t *gid)
+			   kuid_t *uid, kgid_t *gid)
 {
 	struct gendisk *disk = dev_to_disk(dev);