Release bip using kfree() in error path when that was allocated
by kmalloc().
Signed-off-by: NChengguang Xu <cgxu519@mykernel.net>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Acked-by: NMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: NJens Axboe <axboe@kernel.dk>