Fixed all compiler warnings

2 files changed, 2 insertions, 2 deletions

diff --git a/src/kernel/io/io.c b/src/kernel/io/io.c
index dc2d59a..5da4e0e 100644
--- a/src/kernel/io/io.c
+++ b/src/kernel/io/io.c
@@ -52,7 +52,7 @@ void serial_put(char ch) {
     send_b(0x3f8, ch);
 }
 
-void serial_write(char *data) {
+void serial_write(const char *data) {
     for (size_t i = 0; i < strlen(data); i++) {
         serial_put(data[i]);
     }
diff --git a/src/kernel/io/io.h b/src/kernel/io/io.h
index a34bd21..a145319 100644
--- a/src/kernel/io/io.h
+++ b/src/kernel/io/io.h
@@ -54,7 +54,7 @@ void init_serial();
  * Write a string to the serial port (QEMU logging)
  * @param data The string that should get transmitted
  */
-void serial_write(char *data);
+void serial_write(const char *data);
 
 /**
  * Write a hex number to the serial port (QEMU logging)