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authorNeilBrown <neilb@suse.de>2006-05-01 15:15:44 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-05-01 21:17:42 -0400
commitdf30d0f4ca3c41b60068232d6de9d58be88436f0 (patch)
treef9ea546b15f0c8908d6248480c7f3dad820a5f5e /drivers
parent235acec78e87a60ace01d1ecb4b87ad1d689715a (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/raid10.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 617012bc107a..ddc1dfc4d3d2 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1435,9 +1435,9 @@ static void raid10d(mddev_t *mddev)
1435 sl--; 1435 sl--;
1436 d = r10_bio->devs[sl].devnum; 1436 d = r10_bio->devs[sl].devnum;
1437 rdev = conf->mirrors[d].rdev; 1437 rdev = conf->mirrors[d].rdev;
1438 atomic_add(s, &rdev->corrected_errors);
1439 if (rdev && 1438 if (rdev &&
1440 test_bit(In_sync, &rdev->flags)) { 1439 test_bit(In_sync, &rdev->flags)) {
1440 atomic_add(s, &rdev->corrected_errors);
1441 if (sync_page_io(rdev->bdev, 1441 if (sync_page_io(rdev->bdev,
1442 r10_bio->devs[sl].addr + 1442 r10_bio->devs[sl].addr +
1443 sect + rdev->data_offset, 1443 sect + rdev->data_offset,