Btrfs: check return value of open_bdev_exclusive properly

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Hit this problem while testing RAID1 failure stuff.  open_bdev_exclusive
returns ERR_PTR(), not NULL.  So change the return value properly.  This
is important if you accidently specify a device that doesn't exist when
trying to add a new device to an array, you will panic the box
dereferencing bdev.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

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Josef Bacik 2010-01-27 02:09:00 +00:00 • committed by Chris Mason

parent f48b90756b

commit 7f59203abe

1 changed files with 2 additions and 2 deletions

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fs/btrfs/volumes.c

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