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579d69bc1f
The 3w-sas 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> Reported-by: Torsten Luettgert <ml-lkml@enda.eu> Tested-by: Bernd Kardatzki <Bernd.Kardatzki@med.uni-tuebingen.de> Cc: stable@vger.kernel.org Acked-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
1888 lines
58 KiB
1888 lines
58 KiB