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From: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
To: JBottomley@Parallels.com, jejb@kernel.org, hch@infradead.org
Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
	Sathya.Prakash@broadcom.com, kashyap.desai@broadcom.com,
	krishnaraddi.mankani@broadcom.com, linux-kernel@vger.kernel.org,
	suganath-prabu.subramani@broadcom.com,
	chaitra.basappa@broadcom.com, sreekanth.reddy@broadcom.com,
	Sathya Prakash <sathya.prakash@broadcom.com>
Subject: [PATCH 10/10] mpt3sas: Fix for Endianness issue.
Date: Thu, 20 Oct 2016 17:50:18 +0530	[thread overview]
Message-ID: <1476966018-10457-11-git-send-email-suganath-prabu.subramani@broadcom.com> (raw)
In-Reply-To: <1476966018-10457-1-git-send-email-suganath-prabu.subramani@broadcom.com>

Use le16_to_cpu only for accessing two byte data provided by controller.

Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
---
 drivers/scsi/mpt3sas/mpt3sas_scsih.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 6d17f66..981be7b 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -5384,10 +5384,10 @@ _scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
 			sas_device->handle, handle);
 		sas_target_priv_data->handle = handle;
 		sas_device->handle = handle;
-		if (sas_device_pg0.Flags &
+		if (le16_to_cpu(sas_device_pg0.Flags) &
 		     MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 			sas_device->enclosure_level =
-				le16_to_cpu(sas_device_pg0.EnclosureLevel);
+				sas_device_pg0.EnclosureLevel;
 			memcpy(sas_device->connector_name,
 				sas_device_pg0.ConnectorName, 4);
 			sas_device->connector_name[4] = '\0';
@@ -5516,9 +5516,10 @@ _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
 	sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
 	    MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
 
-	if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
+	if (le16_to_cpu(sas_device_pg0.Flags)
+		& MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 		sas_device->enclosure_level =
-			le16_to_cpu(sas_device_pg0.EnclosureLevel);
+			sas_device_pg0.EnclosureLevel;
 		memcpy(sas_device->connector_name,
 			sas_device_pg0.ConnectorName, 4);
 		sas_device->connector_name[4] = '\0';
@@ -7056,7 +7057,7 @@ Mpi2SasDevicePage0_t *sas_device_pg0)
 			if (sas_device_pg0->Flags &
 			      MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 				sas_device->enclosure_level =
-				   le16_to_cpu(sas_device_pg0->EnclosureLevel);
+				   sas_device_pg0->EnclosureLevel;
 				memcpy(&sas_device->connector_name[0],
 					&sas_device_pg0->ConnectorName[0], 4);
 			} else {
@@ -7118,6 +7119,7 @@ _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
 		sas_device_pg0.SASAddress =
 				le64_to_cpu(sas_device_pg0.SASAddress);
 		sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot);
+		sas_device_pg0.Flags = le16_to_cpu(sas_device_pg0.Flags);
 		_scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
 	}
 
-- 
1.8.3.1

  parent reply	other threads:[~2016-10-20 12:22 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-20 12:20 [PATCH 00/10] mpt3sas driver Enhancements and Suganath Prabu S
2016-10-20 12:20 ` [PATCH 01/10] mpt3sas: Fix for improper info displayed in var log, while blocking or unblocking the device Suganath Prabu S
2016-10-24 14:44   ` Hannes Reinecke
2016-10-25 14:37   ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 02/10] mpt3sas: Fix for incorrect numbers for MSIX vectors enabled when non RDPQ card is enumerated first Suganath Prabu S
2016-10-24 14:44   ` Hannes Reinecke
2016-10-25 14:38   ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 03/10] mpt3sas: Implement device_remove_in_progress check in IOCTL path Suganath Prabu S
2016-10-24 14:47   ` Hannes Reinecke
2016-10-25  9:19     ` Suganath Prabu Subramani
2016-10-25  9:51       ` Hannes Reinecke
2016-10-25 10:36         ` Suganath Prabu Subramani
2016-10-20 12:20 ` [PATCH 04/10] mpt3sas: Removing unused macro "MPT_DEVICE_TLR_ON" Suganath Prabu S
2016-10-24 14:47   ` Hannes Reinecke
2016-10-25 14:38   ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 05/10] mpt3sas: Bump driver version as "14.100.00.00" Suganath Prabu S
2016-10-24 14:48   ` Hannes Reinecke
2016-10-20 12:20 ` [PATCH 06/10] mpt3sas: Added Device ID's for SAS35 devices and updated MPI header Suganath Prabu S
2016-10-24 14:49   ` Hannes Reinecke
2016-10-25 14:40   ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 07/10] mpt3sas: Increased/Additional MSIX support for SAS35 devices Suganath Prabu S
2016-10-24 14:50   ` Hannes Reinecke
2016-10-25 14:41   ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 08/10] mpt3sas: set EEDP-escape-flags " Suganath Prabu S
2016-10-24 14:51   ` Hannes Reinecke
2016-10-25 14:42   ` Tomas Henzl
2016-10-20 12:20 ` [PATCH 09/10] mpt3sas: Use the new MPI 2.6 32-bit Atomic Request Descriptors " Suganath Prabu S
2016-10-24 14:52   ` Hannes Reinecke
2016-10-25 14:47   ` Tomas Henzl
2016-10-20 12:20 ` Suganath Prabu S [this message]
2016-10-24 14:53   ` [PATCH 10/10] mpt3sas: Fix for Endianness issue Hannes Reinecke
2016-10-25 14:48   ` Tomas Henzl
2016-10-25  1:17 ` [PATCH 00/10] mpt3sas driver Enhancements and Martin K. Petersen

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