The patch titled
md: fix uninitialized use of mddev->recovery_wait
has been added to the -mm tree. Its filename is
md-fix-uninitialized-use-of-mddev-recovery_wait.patch
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Subject: md: fix uninitialized use of mddev->recovery_wait
From: Dan Williams <dan.j.williams@xxxxxxxxx>
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: <stable@xxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/md.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/md/md.c~md-fix-uninitialized-use-of-mddev-recovery_wait drivers/md/md.c
--- a/drivers/md/md.c~md-fix-uninitialized-use-of-mddev-recovery_wait
+++ a/drivers/md/md.c
@@ -276,6 +276,7 @@ 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;
new->level = LEVEL_NONE;
@@ -5665,7 +5666,6 @@ 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) {
_
Patches currently in -mm which might be from dan.j.williams@xxxxxxxxx are
origin.patch
md-md-raid5-rate-limit-error-printk.patch
md-notify-userspace-on-stop-events.patch
md-fix-prexor-vs-sync_request-race.patch
md-fix-uninitialized-use-of-mddev-recovery_wait.patch
md-do-not-compute-parity-unless-it-is-on-a-failed-drive.patch
linux-next.patch
fsldma-the-mpc8377mds-board-device-tree-node-for-fsldma-driver.patch
fsldma-fix-incorrect-exit-path-for-initialization.patch
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