Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (25 commits)
  [SCSI] mptfc: race between mptfc_register_dev and mptfc_target_alloc
  [SCSI] lpfc 8.1.6 : Fix Data Corruption in Bus Reset Path
  [SCSI] mptspi: revalidate negotiation parameters after host reset and resume
  [SCSI] srp.h: avoid padding of structs
  [SCSI] ibmvscsi: fix leak when failing to send srp event
  [SCSI] qla2xxx: Correct eh_abort recovery logic.
  [SCSI] megaraid_{mm,mbox}: fix a bug in reset handler
  [SCSI] fusion - bug fix stack overflow in mptbase
  [SCSI] scsi: Add IBM 2104-DU3 to blist
  [SCSI] Fix DVD burning issues.
  [SCSI] SCSI: aic7xxx_osm_pci resource leak fix.
  [SCSI] - fusion - mptfc bug fix's to prevent deadlock situations
  [SCSI] mptfusion: bug fix's for raid components adding/deleting
  [SCSI] aic7xxx: ahc_pci_write_config() fix
  [SCSI] megaraid: unused variable
  [SCSI] qla2xxx: only free_irq() after request_irq() succeeds
  [SCSI] Overrun in drivers/scsi/sim710.c
  [SCSI] lpfc 8.1.5 : Change version number to 8.1.5
  [SCSI] lpfc 8.1.5 : Misc small fixes
  [SCSI] lpfc 8.1.5 : Additional fixes to LOGO, PLOGI, and RSCN processing
  ...

1 files changed, 18 insertions, 12 deletions

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 0a8ad37ae89..2e9be83a697 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -739,7 +739,8 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 {
 	struct viosrp_adapter_info *req;
 	struct srp_event_struct *evt_struct;
-	
+	dma_addr_t addr;
+
 	evt_struct = get_event_struct(&hostdata->pool);
 	if (!evt_struct) {
 		printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
@@ -757,10 +758,10 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 	
 	req->common.type = VIOSRP_ADAPTER_INFO_TYPE;
 	req->common.length = sizeof(hostdata->madapter_info);
-	req->buffer = dma_map_single(hostdata->dev,
-				     &hostdata->madapter_info,
-				     sizeof(hostdata->madapter_info),
-				     DMA_BIDIRECTIONAL);
+	req->buffer = addr = dma_map_single(hostdata->dev,
+					    &hostdata->madapter_info,
+					    sizeof(hostdata->madapter_info),
+					    DMA_BIDIRECTIONAL);
 
 	if (dma_mapping_error(req->buffer)) {
 		printk(KERN_ERR
@@ -770,8 +771,13 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 		return;
 	}
 	
-	if (ibmvscsi_send_srp_event(evt_struct, hostdata))
+	if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
 		printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n");
+		dma_unmap_single(hostdata->dev,
+				 addr,
+				 sizeof(hostdata->madapter_info),
+				 DMA_BIDIRECTIONAL);
+	}
 };
 
 /**
@@ -1259,6 +1265,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 {
 	struct viosrp_host_config *host_config;
 	struct srp_event_struct *evt_struct;
+	dma_addr_t addr;
 	int rc;
 
 	evt_struct = get_event_struct(&hostdata->pool);
@@ -1279,8 +1286,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 	memset(host_config, 0x00, sizeof(*host_config));
 	host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
 	host_config->common.length = length;
-	host_config->buffer = dma_map_single(hostdata->dev, buffer, length,
-					    DMA_BIDIRECTIONAL);
+	host_config->buffer = addr = dma_map_single(hostdata->dev, buffer,
+						    length,
+						    DMA_BIDIRECTIONAL);
 
 	if (dma_mapping_error(host_config->buffer)) {
 		printk(KERN_ERR
@@ -1291,11 +1299,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 
 	init_completion(&evt_struct->comp);
 	rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
-	if (rc == 0) {
+	if (rc == 0)
 		wait_for_completion(&evt_struct->comp);
-		dma_unmap_single(hostdata->dev, host_config->buffer,
-				 length, DMA_BIDIRECTIONAL);
-	}
+	dma_unmap_single(hostdata->dev, addr, length, DMA_BIDIRECTIONAL);
 
 	return rc;
 }