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authorBrian King <brking@linux.vnet.ibm.com>2009-10-19 15:07:47 -0500
committerJames Bottomley <James.Bottomley@suse.de>2009-12-04 12:00:17 -0600
commit230934a6fe2f44d14ef840639f010c9cf4da098f (patch)
tree5d55f8c357c325266b68cdee6529dee4e282ff82 /drivers/scsi/ibmvscsi
parent44d9269481bb43df445adf464b06ff031e67d7ea (diff)
downloadlinux-230934a6fe2f44d14ef840639f010c9cf4da098f.tar.gz
[SCSI] ibmvfc: Fixup TMF response handling
When processing the response to either a LUN reset,
target reset, or an abort task set, the ibmvfc driver needs to
treat as success receiving a response with a non-zero
status in the response IU along with a general transport
error with the FCP response code being zero. The VIOS
currently guarantees this cannot happen, but a future version
of VIOS may allow this to be returned, so ensure we handle
this response combination correctly for TMFs, as we already
do for SCSI commands.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/ibmvscsi')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index bb2c696c006a..c35d8054dbbb 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1731,7 +1731,10 @@ static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc)
 	sdev_printk(KERN_INFO, sdev, "Resetting %s\n", desc);
 	wait_for_completion(&evt->comp);
 
-	if (rsp_iu.cmd.status) {
+	if (rsp_iu.cmd.status)
+		rsp_code = ibmvfc_get_err_result(&rsp_iu.cmd);
+
+	if (rsp_code) {
 		if (fc_rsp->flags & FCP_RSP_LEN_VALID)
 			rsp_code = fc_rsp->data.info.rsp_code;
 
@@ -1820,7 +1823,10 @@ static int ibmvfc_abort_task_set(struct scsi_device *sdev)
 	sdev_printk(KERN_INFO, sdev, "Aborting outstanding commands\n");
 	wait_for_completion(&evt->comp);
 
-	if (rsp_iu.cmd.status) {
+	if (rsp_iu.cmd.status)
+		rsp_code = ibmvfc_get_err_result(&rsp_iu.cmd);
+
+	if (rsp_code) {
 		if (fc_rsp->flags & FCP_RSP_LEN_VALID)
 			rsp_code = fc_rsp->data.info.rsp_code;