X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=block%2Fioctl.c;h=d5f5cd61efd7fc738644432d220268f59d5f38ab;hb=ce55c22ec8b223a90ff3e084d842f73cfba35588;hp=648670ddb164a06eeeebe429de59e5de1a969ec6;hpb=e3b85b07650c0c9d4d2fab82a21fa3dfbfbb9b63;p=platform%2Fkernel%2Flinux-starfive.git

diff --git a/block/ioctl.c b/block/ioctl.c
index 648670d..d5f5cd6 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -20,6 +20,8 @@ static int blkpg_do_ioctl(struct block_device *bdev,
 	struct blkpg_partition p;
 	long long start, length;
 
+	if (disk->flags & GENHD_FL_NO_PART)
+		return -EINVAL;
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
 	if (copy_from_user(&p, upart, sizeof(struct blkpg_partition)))