[SCSI] 3w-9xxx: scsi_dma_unmap fix
This patch fixes the following regression the occurred during the scsi_dma_map()/unmap() changes: 3w-9xxx 0001:45:00.0: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x0000000000000000] [size=36 bytes] Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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5e43754f
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