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dm table: fix "nvme" test

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The strncmp function should compare 4 bytes.

Fixes: 22c11858e8002 ("dm: introduce DM_TYPE_NVME_BIO_BASED")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mikulas Patocka 2018-02-26 15:22:32 -05:00 committed by Mike Snitzer
parent da1e148803
commit 99243b922c
1 changed files with 1 additions and 1 deletions
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drivers/md/dm-table.c
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@ -1755,7 +1755,7 @@ static int device_no_partial_completion(struct dm_target *ti, struct dm_dev *dev
char b[BDEVNAME_SIZE]; char b[BDEVNAME_SIZE];
/* For now, NVMe devices are the only devices of this class */ /* For now, NVMe devices are the only devices of this class */
return (strncmp(bdevname(dev->bdev, b), "nvme", 3) == 0); return (strncmp(bdevname(dev->bdev, b), "nvme", 4) == 0);
} }
static bool dm_table_does_not_support_partial_completion(struct dm_table *t) static bool dm_table_does_not_support_partial_completion(struct dm_table *t)