md: allow non-privileged uses to GET_*_INFO about raid arrays.
The info is already available in /proc/mdstat and /sys/block in
an accessible form so there is no point in putting a road-block in
the ioctl for information gathering.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index f47f1f8..004d8e5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6054,8 +6054,15 @@
struct mddev *mddev = NULL;
int ro;
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
+ switch (cmd) {
+ case RAID_VERSION:
+ case GET_ARRAY_INFO:
+ case GET_DISK_INFO:
+ break;
+ default:
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+ }
/*
* Commands dealing with the RAID driver but not any