6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx>
[ Upstream commit df700802abcac3c7c4a4ced099aa42b9a144eea8 ]
Currently, the initialization of the disk pointer in the ubd structure
is missing. It should be initialized with the allocated gendisk pointer
in ubd_add().
Fixes: 32621ad7a7ea ("ubd: remove the ubd_gendisk array")
Signed-off-by: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx>
Acked-By: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>
Link: https://patch.msgid.link/20241104163203.435515-2-tiwei.btw@xxxxxxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/um/drivers/ubd_kern.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 119df76627002..2bfb17373244b 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -898,6 +898,8 @@ static int ubd_add(int n, char **error_out)
if (err)
goto out_cleanup_disk;
+ ubd_dev->disk = disk;
+
return 0;
out_cleanup_disk:
--
2.43.0
