From 56e71bdf324d6ab263eba1fc3fa1f3fd8bb5678e Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 21 Jun 2023 14:49:14 +0200
Subject: [PATCH] block: fix the exclusive open mask in disk_scan_partitions
FMODE_EXEC has nothing to do with exclusive opens, and even is of
the wrong type. We need to check for BLK_OPEN_EXCL here.
Fixes: 985958b8584c ("block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230621124914.185992-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/genhd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/genhd.c b/block/genhd.c
index a94952ae9e396..3d287b32d50df 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -366,7 +366,7 @@ int disk_scan_partitions(struct gendisk *disk, blk_mode_t mode)
}
set_bit(GD_NEED_PART_SCAN, &disk->state);
- bdev = blkdev_get_by_dev(disk_devt(disk), mode & ~FMODE_EXEC, NULL,
+ bdev = blkdev_get_by_dev(disk_devt(disk), mode & ~BLK_OPEN_EXCL, NULL,
NULL);
if (IS_ERR(bdev))
ret = PTR_ERR(bdev);
--
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