bounce: don't rely on a zeroed bio_vec list
authorJens Axboe <jens.axboe@oracle.com>
Tue, 23 Dec 2008 11:44:19 +0000 (12:44 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Mon, 29 Dec 2008 07:29:52 +0000 (08:29 +0100)
commitf735b5eeb9fcbb001e0cf2a5296b19c4bbaec55f
tree2d260f45b150f8dbf56242bd58372769e6478205
parenta0ea8622918019ed76c0b85f5d0247809ba05a7c
bounce: don't rely on a zeroed bio_vec list

__blk_queue_bounce() relies on a zeroed bio_vec list, since it looks
up arbitrary indexes in the allocated bio. The block layer only
guarentees that added entries are valid, so clear memory after alloc.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
mm/bounce.c