scsi: ibmvfc: Byte swap login_buf.resp values in attribute show functions

Both ibmvfc_show_host_(capabilities|npiv_version) functions retrieve values
from vhost->login_buf.resp buffer. This is the MAD response buffer from the
VIOS and as such any multi-byte non-string values are in big endian format.

Byte swap these values to host CPU endian format for better human
readability.

Link: https://lore.kernel.org/r/20201117185031.129939-1-tyreld@linux.ibm.com
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 070cf516b98feb494971cc20361d77ca328f8c5c..01fe65de908625adeed53c106413e27e74a86497 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3025,7 +3025,7 @@ static ssize_t ibmvfc_show_host_npiv_version(struct device *dev,
 {
        struct Scsi_Host *shost = class_to_shost(dev);
        struct ibmvfc_host *vhost = shost_priv(shost);
-       return snprintf(buf, PAGE_SIZE, "%d\n", vhost->login_buf->resp.version);
+       return snprintf(buf, PAGE_SIZE, "%d\n", be32_to_cpu(vhost->login_buf->resp.version));
 }
 
 static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
@@ -3033,7 +3033,7 @@ static ssize_t ibmvfc_show_host_capabilities(struct device *dev,
 {
        struct Scsi_Host *shost = class_to_shost(dev);
        struct ibmvfc_host *vhost = shost_priv(shost);
-       return snprintf(buf, PAGE_SIZE, "%llx\n", vhost->login_buf->resp.capabilities);
+       return snprintf(buf, PAGE_SIZE, "%llx\n", be64_to_cpu(vhost->login_buf->resp.capabilities));
 }
 
 /**