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(parent: 579d69b) | patch
3w-xxxx: fix command completion race
authorChristoph Hellwig <hch@lst.de>
Thu, 23 Apr 2015 07:48:50 +0000 (09:48 +0200)
committerJames Bottomley <JBottomley@Odin.com>
Mon, 27 Apr 2015 17:05:55 +0000 (10:05 -0700)
commit9cd9554615cba14f0877cc9972a6537ad2bdde61
treec046377992e59614f19630da661f64436a507ccbtree | snapshot
parent579d69bc1fd56d5af5761969aa529d1d1c188300commit | diff
3w-xxxx: fix command completion race

The 3w-xxxx driver needs to tear down the dma mappings before returning
the command to the midlayer, as there is no guarantee the sglist and
count are valid after that point.  Also remove the dma mapping helpers
which have another inherent race due to the request_id index.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Acked-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
drivers/scsi/3w-xxxx.c diff | blob | history
drivers/scsi/3w-xxxx.h diff | blob | history
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