Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5d8c71f9 authored by Adam Kwolek's avatar Adam Kwolek Committed by NeilBrown
Browse files

md: raid5 crash during degradation 



NULL pointer access causes crash in raid5 module.

Signed-off-by: default avatarAdam Kwolek <adam.kwolek@intel.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 9283d8c5

drivers/md/raid5.c

+2 −2
Original line number Diff line number Diff line
@@ -3070,7 +3070,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) 
			if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)

				set_bit(R5_Insync, &dev->flags);

		}

		if (test_bit(R5_WriteError, &dev->flags)) {

		if (rdev && test_bit(R5_WriteError, &dev->flags)) {

			clear_bit(R5_Insync, &dev->flags);

			if (!test_bit(Faulty, &rdev->flags)) {

				s->handle_bad_blocks = 1;
@@ -3078,7 +3078,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) 
			} else

				clear_bit(R5_WriteError, &dev->flags);

		}

		if (test_bit(R5_MadeGood, &dev->flags)) {

		if (rdev && test_bit(R5_MadeGood, &dev->flags)) {

			if (!test_bit(Faulty, &rdev->flags)) {

				s->handle_bad_blocks = 1;

				atomic_inc(&rdev->nr_pending);