Merge branch 'hotfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[pandora-kernel.git] / drivers / s390 / block / dasd_devmap.c

diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index f4fb402..cd3335c 100644 (file)
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -86,10 +86,10 @@ static DEFINE_SPINLOCK(dasd_devmap_lock);
 static struct list_head dasd_hashlists[256];
 int dasd_max_devindex;
 
-static struct dasd_devmap *dasd_add_busid(char *, int);
+static struct dasd_devmap *dasd_add_busid(const char *, int);
 
 static inline int
-dasd_hash_busid(char *bus_id)
+dasd_hash_busid(const char *bus_id)
 {
        int hash, i;
 
@@ -394,7 +394,7 @@ dasd_parse(void)
  * devices.
  */
 static struct dasd_devmap *
-dasd_add_busid(char *bus_id, int features)
+dasd_add_busid(const char *bus_id, int features)
 {
        struct dasd_devmap *devmap, *new, *tmp;
        int hash;
@@ -430,7 +430,7 @@ dasd_add_busid(char *bus_id, int features)
  * Find devmap for device with given bus_id.
  */
 static struct dasd_devmap *
-dasd_find_busid(char *bus_id)
+dasd_find_busid(const char *bus_id)
 {
        struct dasd_devmap *devmap, *tmp;
        int hash;
@@ -452,7 +452,7 @@ dasd_find_busid(char *bus_id)
  * Check if busid has been added to the list of dasd ranges.
  */
 int
-dasd_busid_known(char *bus_id)
+dasd_busid_known(const char *bus_id)
 {
        return IS_ERR(dasd_find_busid(bus_id)) ? -ENOENT : 0;
 }
@@ -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);
 }