Thread (17 messages) flat view 17 messages, 4 authors, 2016-02-12
STALE3856d REVIEWED: 1 (0M)

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[PATCH v2 6/7] ibmvscsi: Add endian conversions to sysfs attribute show functions

From: Tyrel Datwyler <hidden>
Date: 2016-02-11 01:32:51
Also in: linux-scsi, lkml
Subsystem: ibm power virtual scsi device drivers, linux for powerpc (32-bit and 64-bit), scsi subsystem, the rest · Maintainers: Tyrel Datwyler, Madhavan Srinivasan, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds

The values returned by the show functions for the host os_type,
mad_version, and partition_number attributes get their values
directly from the madapter_info struct whose associated fields are
__be32 typed. Added endian conversion to ensure these values are
sane on LE platforms.

Signed-off-by: Tyrel Datwyler <redacted>
Reviewed-by: Johannes Thumshirn <redacted>
---
 drivers/scsi/ibmvscsi/ibmvscsi.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index e8d4af5..6025481 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1983,7 +1983,7 @@ static ssize_t show_host_partition_number(struct device *dev,
 	int len;
 
 	len = snprintf(buf, PAGE_SIZE, "%d\n",
-		       hostdata->madapter_info.partition_number);
+		       be32_to_cpu(hostdata->madapter_info.partition_number));
 	return len;
 }
 
@@ -2003,7 +2003,7 @@ static ssize_t show_host_mad_version(struct device *dev,
 	int len;
 
 	len = snprintf(buf, PAGE_SIZE, "%d\n",
-		       hostdata->madapter_info.mad_version);
+		       be32_to_cpu(hostdata->madapter_info.mad_version));
 	return len;
 }
 
@@ -2022,7 +2022,8 @@ static ssize_t show_host_os_type(struct device *dev,
 	struct ibmvscsi_host_data *hostdata = shost_priv(shost);
 	int len;
 
-	len = snprintf(buf, PAGE_SIZE, "%d\n", hostdata->madapter_info.os_type);
+	len = snprintf(buf, PAGE_SIZE, "%d\n",
+		       be32_to_cpu(hostdata->madapter_info.os_type));
 	return len;
 }
 
-- 
2.5.0
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