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Commit 8454e988 authored by Adam Radford's avatar Adam Radford Committed by James Bottomley
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[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: default avatarAdam Radford <aradford@gmail.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 5e43754f

drivers/scsi/3w-9xxx.c

+2 −1
Original line number Diff line number Diff line
@@ -1978,6 +1978,7 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id) 
{

	struct scsi_cmnd *cmd = tw_dev->srb[request_id];



	if (cmd->SCp.phase == TW_PHASE_SGLIST)

		scsi_dma_unmap(cmd);

} /* End twa_unmap_scsi_data() */