* Subject:[PATCH 002:013]: raid0: find_zone to return NULL
@ 2009-06-16 21:52 raz ben yehuda
0 siblings, 0 replies; only message in thread
From: raz ben yehuda @ 2009-06-16 21:52 UTC (permalink / raw)
To: linux raid, Neil Brown
Have the caller decide whether to report BUG()
when zone is incorrect
raid0.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Signed-off-by: razb <raziebe@gmail.com>
---
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 851e631..8870acc 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -377,7 +377,7 @@ static struct strip_zone *find_zone(struct raid0_private_data *conf,
*sectorp = sector - z[i-1].zone_end;
return z + i;
}
- BUG();
+ return NULL;
}
/*
@@ -481,6 +481,8 @@ static int raid0_make_request(struct request_queue *q, struct bio *bio)
sector_offset = bio->bi_sector;
zone = find_zone(mddev->private, §or_offset);
+ if (!zone)
+ BUG();
tmp_dev = map_sector(mddev, zone, bio->bi_sector,
§or_offset);
bio->bi_bdev = tmp_dev->bdev;
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2009-06-16 21:52 Subject:[PATCH 002:013]: raid0: find_zone to return NULL raz ben yehuda
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