3 files changed, 5 insertions, 4 deletions

diff --git a/util-linux/fbset.c b/util-linux/fbset.c
index 7ae010163..94d04b12a 100644
--- a/util-linux/fbset.c
+++ b/util-linux/fbset.c
@@ -314,8 +314,8 @@ int fbset_main(int argc, char **argv)
 {
         struct fb_var_screeninfo var, varset;
         int fh, i;
-        char *fbdev = DEFAULTFBDEV;
-        char *modefile = DEFAULTFBMODE;
+        const char *fbdev = DEFAULTFBDEV;
+        const char *modefile = DEFAULTFBMODE;
         char *thisarg, *mode = NULL;
 
         memset(&varset, 0xFF, sizeof(varset));
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 957316d52..4a0e9f9fd 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -141,7 +141,8 @@ static void make_device(char *path, int delete)
                                 }
                                 if (ENABLE_FEATURE_MDEV_EXEC && field == 3) {
                                         // Command to run
-                                        char *s = "@$*", *s2;
+                                        const char *s = "@$*";
+                                        const char *s2;
                                         s2 = strchr(s, *pos++);
                                         if (!s2) {
                                                 // Force error
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index 4c23f69da..007083bef 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -28,7 +28,7 @@ dev_t rootdev;
 
 // Recursively delete contents of rootfs.
 
-static void delete_contents(char *directory)
+static void delete_contents(const char *directory)
 {
         DIR *dir;
         struct dirent *d;