Fix AUTOFS_DEV_IOCTL_REQUESTER_CMD

Missing conversion from kernel to userland dev_t; this sucker
breaks as soon as we get sufficiently many autofs mounts for
new_encode_dev(s_dev) != s_dev.

Note: this is the minimal fix.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 9e5ae8a..463f798 100644 (file)
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -488,7 +488,7 @@ static int autofs_dev_ioctl_requester(struct file *fp,
        }
 
        path = param->path;
-       devid = sbi->sb->s_dev;
+       devid = new_encode_dev(sbi->sb->s_dev);
 
        param->requester.uid = param->requester.gid = -1;