1 files changed, 10 insertions, 8 deletions

diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 3012355f8304..70491274da16 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -24,6 +24,7 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/device.h>
+#include <linux/slab.h>
 #include <net/iucv/iucv.h>
 #include <asm/cpcmd.h>
 #include <asm/ebcdic.h>
@@ -31,9 +32,9 @@
 
 struct smsg_callback {
         struct list_head list;
-        char *prefix;
+        const char *prefix;
         int len;
-        void (*callback)(char *from, char *str);
+        void (*callback)(const char *from, char *str);
 };
 
 MODULE_AUTHOR
@@ -100,8 +101,8 @@ static void smsg_message_pending(struct iucv_path *path,
         kfree(buffer);
 }
 
-int smsg_register_callback(char *prefix,
-                           void (*callback)(char *from, char *str))
+int smsg_register_callback(const char *prefix,
+                           void (*callback)(const char *from, char *str))
 {
         struct smsg_callback *cb;
 
@@ -117,8 +118,9 @@ int smsg_register_callback(char *prefix,
         return 0;
 }
 
-void smsg_unregister_callback(char *prefix,
-                              void (*callback)(char *from, char *str))
+void smsg_unregister_callback(const char *prefix,
+                              void (*callback)(const char *from,
+                                               char *str))
 {
         struct smsg_callback *cb, *tmp;
 
@@ -168,7 +170,7 @@ static int smsg_pm_restore_thaw(struct device *dev)
         return 0;
 }
 
-static struct dev_pm_ops smsg_pm_ops = {
+static const struct dev_pm_ops smsg_pm_ops = {
         .freeze = smsg_pm_freeze,
         .thaw = smsg_pm_restore_thaw,
         .restore = smsg_pm_restore_thaw,
@@ -176,7 +178,7 @@ static struct dev_pm_ops smsg_pm_ops = {
 
 static struct device_driver smsg_driver = {
         .owner = THIS_MODULE,
-        .name = "SMSGIUCV",
+        .name = SMSGIUCV_DRV_NAME,
         .bus  = &iucv_bus,
         .pm = &smsg_pm_ops,
 };