btrfs: make DEV_INFO ioctl available to anyone

This ioctl provides basic info about the devices that can be obtained in
other ways (eg. sysfs), there's no reason to restrict it to
CAP_SYSADMIN.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index c6c8e3560e7377bd7f5fa72b97f43deff61a3146..92a5184ac69620337fc8805df593cd2c923bdb4e 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2593,9 +2593,6 @@ static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg)
        int ret = 0;
        char *s_uuid = NULL;
 
-       if (!capable(CAP_SYS_ADMIN))
-               return -EPERM;
-
        di_args = memdup_user(arg, sizeof(*di_args));
        if (IS_ERR(di_args))
                return PTR_ERR(di_args);