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(parent: 15c4f63) | patch
direct-io: be sure to assign dio->bio_bdev for both paths
authorJens Axboe <axboe@fb.com>
Tue, 10 Nov 2015 17:14:38 +0000 (10:14 -0700)
committerJens Axboe <axboe@fb.com>
Tue, 10 Nov 2015 17:14:38 +0000 (10:14 -0700)
commitc1c534609fe8a859f9c8108a5591e6e8a97e34d1
treef064a2591788be8ac0fcaf4315ed38f8e33bff3atree | snapshot
parent15c4f638f3d41bae52105ca4c0c8760afbcbeaabcommit | diff
direct-io: be sure to assign dio->bio_bdev for both paths

btrfs sets ->submit_io(), and we failed to set the block dev for
that path. That resulted in a potential NULL dereference when
we later wait for IO in dio_await_one().

Reported-by: kernel test robot <ying.huang@linux.intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
fs/direct-io.c diff | blob | history
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