-stable review patch. If anyone has any objections, please let us know.
---------------------
From: Dan Williams <[email protected]>
upstream commit: a6d8113a986c66aeb379a26b6e0062488b3e59e1
If an array was created with --assume-clean we will oops when trying to
set ->resync_max.
Fix this by initializing ->recovery_wait in mddev_find.
Cc: <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
Signed-off-by: Neil Brown <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
drivers/md/md.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -274,6 +274,7 @@ static mddev_t * mddev_find(dev_t unit)
atomic_set(&new->active, 1);
spin_lock_init(&new->write_lock);
init_waitqueue_head(&new->sb_wait);
+ init_waitqueue_head(&new->recovery_wait);
new->reshape_position = MaxSector;
new->resync_max = MaxSector;
@@ -5559,7 +5560,6 @@ void md_do_sync(mddev_t *mddev)
window/2,(unsigned long long) max_sectors/2);
atomic_set(&mddev->recovery_active, 0);
- init_waitqueue_head(&mddev->recovery_wait);
last_check = 0;
if (j>2) {
--