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path: root/drivers/s390/block/dasd_devmap.c
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Diffstat (limited to 'drivers/s390/block/dasd_devmap.c')
-rw-r--r--drivers/s390/block/dasd_devmap.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index d774e79476fe..cd3335c1c307 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -913,7 +913,8 @@ dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf)
static DEVICE_ATTR(vendor, 0444, dasd_vendor_show, NULL);
#define UID_STRLEN ( /* vendor */ 3 + 1 + /* serial */ 14 + 1 +\
- /* SSID */ 4 + 1 + /* unit addr */ 2 + 1)
+ /* SSID */ 4 + 1 + /* unit addr */ 2 + 1 +\
+ /* vduit */ 32 + 1)
static ssize_t
dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf)
@@ -945,8 +946,17 @@ dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf)
sprintf(ua_string, "%02x", uid->real_unit_addr);
break;
}
- snprintf(uid_string, sizeof(uid_string), "%s.%s.%04x.%s",
- uid->vendor, uid->serial, uid->ssid, ua_string);
+ if (strlen(uid->vduit) > 0)
+ snprintf(uid_string, sizeof(uid_string),
+ "%s.%s.%04x.%s.%s",
+ uid->vendor, uid->serial,
+ uid->ssid, ua_string,
+ uid->vduit);
+ else
+ snprintf(uid_string, sizeof(uid_string),
+ "%s.%s.%04x.%s",
+ uid->vendor, uid->serial,
+ uid->ssid, ua_string);
spin_unlock(&dasd_devmap_lock);
return snprintf(buf, PAGE_SIZE, "%s\n", uid_string);
}