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[v2,8/10] megaraid_sas : Fix validHandles check in io path

Message ID 201508201320.t7KDKXQn028828@palmhbs0.lsi.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sumit Saxena Aug. 20, 2015, 1:14 p.m. UTC 
Syncro firmware supports round robin IO switch on dual path. For this driver 
use validHandles as a check for dual path. This check suppose to be > 1 (not > 2)

Without this patch, earlier driver code does not use dual path functionality.

Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
---
 drivers/scsi/megaraid/megaraid_sas_fusion.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 9f39859..64e27e6 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1686,7 +1686,7 @@  megasas_build_ldio_fusion(struct megasas_instance *instance,
 			scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
 
 		if ((raidLUN[0] == 1) &&
-			(local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 2)) {
+			(local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) {
 			instance->dev_handle = !(instance->dev_handle);
 			io_info.devHandle =
 				local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle];