From 647b24256241e144fe8369244da1730b577211e9 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Sun, 9 Mar 2008 22:50:41 +0900 Subject: [SCSI] aic7xxx: fix IOMMU mapping failure handling Signed-off-by: FUJITA Tomonori Signed-off-by: James Bottomley --- drivers/scsi/aic7xxx/aic7xxx_osm.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'drivers/scsi/aic7xxx') diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 282aff6f852e..42ad48e09f02 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -1398,12 +1398,18 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, return SCSI_MLQUEUE_DEVICE_BUSY; } + nseg = scsi_dma_map(cmd); + if (nseg < 0) + return SCSI_MLQUEUE_HOST_BUSY; + /* * Get an scb to use. */ scb = ahc_get_scb(ahc); - if (!scb) + if (!scb) { + scsi_dma_unmap(cmd); return SCSI_MLQUEUE_HOST_BUSY; + } scb->io_ctx = cmd; scb->platform_data->dev = dev; @@ -1464,8 +1470,6 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, ahc_set_sense_residual(scb, 0); scb->sg_count = 0; - nseg = scsi_dma_map(cmd); - BUG_ON(nseg < 0); if (nseg > 0) { struct ahc_dma_seg *sg; struct scatterlist *cur_seg; -- cgit v1.2.3-58-ga151