drivers/isdn/hysdn/hysdn_defs.h     |    2 +-
 drivers/isdn/hysdn/hysdn_init.c     |    2 +-
 drivers/isdn/hysdn/hysdn_procconf.c |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/isdn/hysdn/hysdn_defs.h b/drivers/isdn/hysdn/hysdn_defs.h
index 729df40..d21b4a0 100644
--- a/drivers/isdn/hysdn/hysdn_defs.h
+++ b/drivers/isdn/hysdn/hysdn_defs.h
@@ -227,7 +227,7 @@ extern hysdn_card *card_root;	/* pointer to first card */
 /*************************/
 /* im/exported functions */
 /*************************/
-extern char *hysdn_getrev(const char *);
+extern char *hysdn_getrev(char *);
 
 /* hysdn_procconf.c */
 extern int hysdn_procconf_init(void);	/* init proc config filesys */
diff --git a/drivers/isdn/hysdn/hysdn_init.c b/drivers/isdn/hysdn/hysdn_init.c
index b7cc5c2..4ba2123 100644
--- a/drivers/isdn/hysdn/hysdn_init.c
+++ b/drivers/isdn/hysdn/hysdn_init.c
@@ -53,7 +53,7 @@ static hysdn_card *card_last = NULL;	/* pointer to first card */
 /* extract revision number from string for log output */
 /******************************************************/
 char *
-hysdn_getrev(const char *revision)
+hysdn_getrev(char *revision)
 {
 	char *rev;
 	char *p;
diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 96b3e39..1c396e1 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -23,7 +23,7 @@
 #include "hysdn_defs.h"
 
 static DEFINE_MUTEX(hysdn_conf_mutex);
-static char *hysdn_procconf_revision = "$Revision: 1.8.6.4 $";
+static char hysdn_procconf_revision[] = "$Revision: 1.8.6.4 $";
 
 #define INFO_OUT_LEN 80		/* length of info line including lf */