From: Dan Williams Date: Fri, 6 Jun 2008 05:45:53 +0000 (-0700) Subject: md: fix uninitialized use of mddev->recovery_wait X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a6d8113a986c66aeb379a26b6e0062488b3e59e1;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git md: fix uninitialized use of mddev->recovery_wait 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: Signed-off-by: Dan Williams Signed-off-by: Neil Brown Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/md/md.c b/drivers/md/md.c index 51c19f86ff99..7cf512a34ccf 100644 --- a/drivers/md/md.c +++ b/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) {