[PATCH 01/22] md: Avoid oops when attempting to fix read errors on raid10

From: Chris Wright
Date: Wed May 17 2006 - 18:18:21 EST

-stable review patch. If anyone has any objections, please let us know.

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

Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
drivers/md/raid10.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-
+++ linux-
@@ -1436,9 +1436,9 @@ static void raid10d(mddev_t *mddev)
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,

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