[PATCH] Fix reported kmemleak

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This fixes a memory leak reported by a few people in 4.7-rc1

kmemleak report after 9082e87bfbf8 ("block: remove struct bio_batch")

This patch just formalizes the one in this discussion here:
https://lkml.kernel.org/r/20160606112620.GA29910@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx

The same issue appears here:
https://lkml.kernel.org/r/20160607102651.GA6480@xxxxxxxxxxxxxxxxxxxxxxxxx

Patch is also available at:

https://github.com/stancheff/linux.git
branch: v4.7-rc2+bio_put

Cc: Christoph Hellwig <hch@xxxxxx>
Cc: axboe@xxxxxxxxx
cc: David Drysdale <drysdale@xxxxxxxxxx>
Cc: Xiong Zhou <xzhou@xxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: linux-next@xxxxxxxxxxxxxxx
Cc: linux-nvdimm@xxxxxxxxxxx
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>,
Cc: Jens Axboe <axboe@xxxxxx>,
Cc: bart.vanassche@xxxxxxxxxxx

Shaun Tancheff (1):
  Missing bio_put following submit_bio_wait

 block/blk-lib.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

-- 
2.8.1

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