[S390] s390dbf: Use const char * for dbf name.

We should use const char * for passing the name of the debug feature
around since it will not be changed.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index dff0568..c93d129 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -71,7 +71,7 @@
 			size_t user_len, loff_t * offset);
 static int debug_open(struct inode *inode, struct file *file);
 static int debug_close(struct inode *inode, struct file *file);
-static debug_info_t*  debug_info_create(char *name, int pages_per_area,
+static debug_info_t *debug_info_create(const char *name, int pages_per_area,
 			int nr_areas, int buf_size, mode_t mode);
 static void debug_info_get(debug_info_t *);
 static void debug_info_put(debug_info_t *);
@@ -234,8 +234,8 @@
  */
 
 static debug_info_t*
-debug_info_alloc(char *name, int pages_per_area, int nr_areas, int buf_size,
-		int level, int mode)
+debug_info_alloc(const char *name, int pages_per_area, int nr_areas,
+		 int buf_size, int level, int mode)
 {
 	debug_info_t* rc;
 
@@ -326,8 +326,8 @@
  */
 
 static debug_info_t*
-debug_info_create(char *name, int pages_per_area, int nr_areas, int buf_size,
-		  mode_t mode)
+debug_info_create(const char *name, int pages_per_area, int nr_areas,
+		  int buf_size, mode_t mode)
 {
 	debug_info_t* rc;
 
@@ -684,9 +684,9 @@
  * - Returns handle for debug area
  */
 
-debug_info_t *debug_register_mode(char *name, int pages_per_area, int nr_areas,
-				  int buf_size, mode_t mode, uid_t uid,
-				  gid_t gid)
+debug_info_t *debug_register_mode(const char *name, int pages_per_area,
+				  int nr_areas, int buf_size, mode_t mode,
+				  uid_t uid, gid_t gid)
 {
 	debug_info_t *rc = NULL;
 
@@ -722,8 +722,8 @@
  * - returns handle for debug area
  */
 
-debug_info_t *debug_register(char *name, int pages_per_area, int nr_areas,
-			     int buf_size)
+debug_info_t *debug_register(const char *name, int pages_per_area,
+			     int nr_areas, int buf_size)
 {
 	return debug_register_mode(name, pages_per_area, nr_areas, buf_size,
 				   S_IRUSR | S_IWUSR, 0, 0);
diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h
index 335baf4..9450ce6e 100644
--- a/include/asm-s390/debug.h
+++ b/include/asm-s390/debug.h
@@ -120,10 +120,10 @@
 
 /* Debug Feature API: */
 
-debug_info_t* debug_register(char* name, int pages, int nr_areas,
+debug_info_t *debug_register(const char *name, int pages, int nr_areas,
                              int buf_size);
 
-debug_info_t *debug_register_mode(char *name, int pages, int nr_areas,
+debug_info_t *debug_register_mode(const char *name, int pages, int nr_areas,
 				  int buf_size, mode_t mode, uid_t uid,
 				  gid_t gid);