diff -Nru mdadm-4.5.orig/Grow.c mdadm-4.5/Grow.c
--- mdadm-4.5.orig/Grow.c	2026-01-02 15:24:36.372318508 +0100
+++ mdadm-4.5/Grow.c	2026-01-02 15:27:20.984094338 +0100
@@ -3509,7 +3509,7 @@
 		sysfs_set_str(sra, NULL, "array_state", "active");
 
 	/* Do not run in initrd */
-	if (in_initrd()) {
+	if (mdadm_in_initrd()) {
 		free(fdlist);
 		free(offsets);
 		sysfs_free(sra);
@@ -3814,7 +3814,7 @@
 		close(fd);
 
 		/* Do not run reshape in initrd but let it initialize.*/
-		if (in_initrd()) {
+		if (mdadm_in_initrd()) {
 			sysfs_free(cc);
 			exit(0);
 		}
diff -Nru mdadm-4.5.orig/mdadm.h mdadm-4.5/mdadm.h
--- mdadm-4.5.orig/mdadm.h	2026-01-02 15:24:36.385651978 +0100
+++ mdadm-4.5/mdadm.h	2026-01-02 15:25:02.826043918 +0100
@@ -1752,7 +1752,7 @@
 bool stat_is_md_dev(struct stat *st);
 extern char *fd2devnm(int fd);
 
-extern int in_initrd(void);
+extern int mdadm_in_initrd(void);
 
 struct cmap_hooks {
 	void *cmap_handle;      /* corosync lib related */
diff -Nru mdadm-4.5.orig/mdmon.c mdadm-4.5/mdmon.c
--- mdadm-4.5.orig/mdmon.c	2026-01-02 15:24:36.385651978 +0100
+++ mdadm-4.5/mdmon.c	2026-01-02 15:25:02.826241730 +0100
@@ -366,7 +366,7 @@
 		}
 	}
 
-	if (in_initrd()) {
+	if (mdadm_in_initrd()) {
 		/*
 		 * set first char of argv[0] to @. This is used by
 		 * systemd to signal that the task was launched from
diff -Nru mdadm-4.5.orig/util.c mdadm-4.5/util.c
--- mdadm-4.5.orig/util.c	2026-01-02 15:24:36.417946166 +0100
+++ mdadm-4.5/util.c	2026-01-02 15:25:02.826418953 +0100
@@ -1974,7 +1974,7 @@
 	int len;
 	pid_t pid;
 	int status;
-	char *prefix = in_initrd() ? "initrd-" : "";
+	char *prefix = mdadm_in_initrd() ? "initrd-" : "";
 	char pathbuf[1024];
 	char *paths[4] = {
 		pathbuf,
@@ -2339,7 +2339,7 @@
 	return MDADM_STATUS_ERROR;
 }
 
-int in_initrd(void)
+int mdadm_in_initrd(void)
 {
 	return access("/etc/initrd-release", F_OK) >= 0;
 }