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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2008-03-09 22:50:40 +0900 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-04-07 12:15:44 -0500 |
| commit | 2505873afe510d8db05665684c056ac8f0b24563 (patch) | |
| tree | 94de8c445c8e0d341d0f1765f651ff6a728cea92 | |
| parent | 647b24256241e144fe8369244da1730b577211e9 (diff) | |
| download | linux-3.10-2505873afe510d8db05665684c056ac8f0b24563.tar.gz linux-3.10-2505873afe510d8db05665684c056ac8f0b24563.tar.bz2 linux-3.10-2505873afe510d8db05665684c056ac8f0b24563.zip | |
[SCSI] aic79xx: fix IOMMU mapping failure handling
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 72fccd9f40d..0081aa357c8 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -1413,6 +1413,10 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev, unsigned long flags; int nseg; + nseg = scsi_dma_map(cmd); + if (nseg < 0) + return SCSI_MLQUEUE_HOST_BUSY; + ahd_lock(ahd, &flags); /* @@ -1430,6 +1434,7 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev, if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) { ahd->flags |= AHD_RESOURCE_SHORTAGE; ahd_unlock(ahd, &flags); + scsi_dma_unmap(cmd); return SCSI_MLQUEUE_HOST_BUSY; } @@ -1485,8 +1490,6 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev, ahd_set_sense_residual(scb, 0); scb->sg_count = 0; - nseg = scsi_dma_map(cmd); - BUG_ON(nseg < 0); if (nseg > 0) { void *sg = scb->sg_list; struct scatterlist *cur_seg; |