scsi: zfcp: properly format LUN (and WWPN) for LUN sharing violation kmsg

This change “scsi: zfcp: properly format LUN (and WWPN) for LUN sharing violation kmsg” in Linux kernel is authored by Steffen Maier <maier [at] linux.ibm.com> on Thu Nov 8 15:44:53 2018 +0100.

scsi: zfcp: properly format LUN (and WWPN) for LUN sharing violation kmsg

zfcp: <devbusid>: LUN 0x0 on port 0x5005076......... ...
zfcp: <devbusid>: LUN 0x1000000000000 on port 0x5005076......... ...

should be

zfcp: <devbusid>: LUN 0x0000000000000000 on port 0x5005076......... ...
zfcp: <devbusid>: LUN 0x0001000000000000 on port 0x5005076.........
                  is already in use by CSS., MIF Image ID .

Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

This Linux change may have been applied to various maintained Linux releases and you can find Linux releases including commit e0effe8.

There are 2 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.

 drivers/s390/scsi/zfcp_fsf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 0bdbc59..b83d249 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1811,7 +1811,7 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
 	case FSF_LUN_SHARING_VIOLATION:
 		if (qual->word[0])
 			dev_warn(&zfcp_sdev->port->adapter->ccw_device->dev,
-				 "LUN 0x%Lx on port 0x%Lx is already in "
+				 "LUN 0x%016Lx on port 0x%016Lx is already in "
 				 "use by CSS%d, MIF Image ID %xn",
 				 zfcp_scsi_dev_lun(sdev),
 				 (unsigned long long)zfcp_sdev->port->wwpn,

The commit for this change in Linux stable tree is e0effe8 (patch).

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