Offering: HULK hulk inclusion category: bugfix bugzilla: 188217, https://gitee.com/openeuler/kernel/issues/I81XCK
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In del_gendisk, memalloc_noio is set to false, so it would be better to do the same thing in the error path.
Fixes: c6b84a94528e ("block: add error handling for device_add_disk / add_disk") Signed-off-by: Zhong Jinghua zhongjinghua@huawei.com --- block/genhd.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/block/genhd.c b/block/genhd.c index aa8e22f026a5..e5df4d63ecd2 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -917,6 +917,11 @@ static int __device_add_disk(struct device *parent, struct gendisk *disk, out_del_block_link: if (!sysfs_deprecated) sysfs_remove_link(block_depr, kobject_name(&ddev->kobj)); + /* + * The error path needs to set memalloc_noio to false + * consistent with del_gendisk. + */ + pm_runtime_set_memalloc_noio(ddev, false); out_device_del: device_del(ddev); out_unregister_region: