Commit df30d0f4 authored May 01, 2006 by NeilBrown Committed by Linus Torvalds May 01, 2006

[PATCH] md: Avoid oops when attempting to fix read errors on raid10



We should add to the counter for the rdev *after* checking if the rdev is
NULL!!!

Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 235acec7

drivers/md/raid10.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1435,9 +1435,9 @@ static void raid10d(mddev_t *mddev)
		sl--;
		d = r10_bio->devs[sl].devnum;
		rdev = conf->mirrors[d].rdev;
		atomic_add(s, &rdev->corrected_errors);
		if (rdev &&
		test_bit(In_sync, &rdev->flags)) {
		atomic_add(s, &rdev->corrected_errors);
		if (sync_page_io(rdev->bdev,
		r10_bio->devs[sl].addr +
		sect + rdev->data_offset,