diff options
| author | adam radford <aradford@gmail.com> | 2009-05-05 14:45:37 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-05-15 12:23:32 -0400 |
| commit | 8454e9888cb0316dd296fd5d47c612248ed5e1d1 (patch) | |
| tree | 51ce1112e7a0ddf385b88c501cd12ee498b90c24 | |
| parent | 5e43754fd949193252ecb470d7fb08b547a1e310 (diff) | |
[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>
| -rw-r--r-- | drivers/scsi/3w-9xxx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 8b7983aba8f7..36c21b19e5d7 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c | |||
| @@ -1978,7 +1978,8 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id) | |||
| 1978 | { | 1978 | { |
| 1979 | struct scsi_cmnd *cmd = tw_dev->srb[request_id]; | 1979 | struct scsi_cmnd *cmd = tw_dev->srb[request_id]; |
| 1980 | 1980 | ||
| 1981 | scsi_dma_unmap(cmd); | 1981 | if (cmd->SCp.phase == TW_PHASE_SGLIST) |
| 1982 | scsi_dma_unmap(cmd); | ||
| 1982 | } /* End twa_unmap_scsi_data() */ | 1983 | } /* End twa_unmap_scsi_data() */ |
| 1983 | 1984 | ||
| 1984 | /* scsi_host_template initializer */ | 1985 | /* scsi_host_template initializer */ |