1 files changed, 2 insertions, 2 deletions

diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c
index 628ab185e9ee..1049ae3f5367 100644
--- a/net/batman-adv/bat_debugfs.c
+++ b/net/batman-adv/bat_debugfs.c
@@ -51,7 +51,7 @@ static void emit_log_char(struct debug_log *debug_log, char c)
 }
 
 __printf(2, 3)
-static int fdebug_log(struct debug_log *debug_log, char *fmt, ...)
+static int fdebug_log(struct debug_log *debug_log, const char *fmt, ...)
 {
         va_list args;
         static char debug_log_buf[256];
@@ -75,7 +75,7 @@ static int fdebug_log(struct debug_log *debug_log, char *fmt, ...)
         return 0;
 }
 
-int debug_log(struct bat_priv *bat_priv, char *fmt, ...)
+int debug_log(struct bat_priv *bat_priv, const char *fmt, ...)
 {
         va_list args;
         char tmp_log_buf[256];