Commit 8454e988 authored by adam radford's avatar adam radford Committed by James Bottomley

[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 <[email protected]>
Signed-off-by: default avatarJames Bottomley <[email protected]>
parent 5e43754f
......@@ -1978,7 +1978,8 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)
{
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
scsi_dma_unmap(cmd);
if (cmd->SCp.phase == TW_PHASE_SGLIST)
scsi_dma_unmap(cmd);
} /* End twa_unmap_scsi_data() */
/* scsi_host_template initializer */
......
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