VisionFive2 Linux kernel

author: Christoph Hellwig <hch@lst.de> 2021-04-21 18:05:02 +0200 committer: Jens Axboe <axboe@kernel.dk> 2021-04-21 10:49:37 -0600 commit: 68e6582e8f2dc32fd2458b9926564faa1fb4560e parent: f06c609645ecd043c79380fac94145926603fb33

Commit Summary:

block: return -EBUSY when there are open partitions in blkdev_reread_part

Diffstat:

1 file changed, 2 insertions, 0 deletions

diff --git a/block/ioctl.c b/block/ioctl.c
index ff241e663c01..8ba1ed8defd0 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -89,6 +89,8 @@ static int blkdev_reread_part(struct block_device *bdev, fmode_t mode)
 		return -EINVAL;
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
+	if (bdev->bd_part_count)
+		return -EBUSY;
 
 	/*
 	 * Reopen the device to revalidate the driver state and force a