--- a/src/crypto/random.c
+++ b/src/crypto/random.c
@@ -47,6 +47,8 @@
 #define EXTRACT_LEN 16
 #define MIN_READY_MARK 2
 
+#ifndef CONFIG_NO_RANDOM_POOL
+
 static u32 pool[POOL_WORDS];
 static unsigned int input_rotate = 0;
 static unsigned int pool_pos = 0;
@@ -120,7 +122,7 @@ static void random_extract(u8 *out)
 }
 
 
-void random_add_randomness(const void *buf, size_t len)
+static void random_pool_add_randomness(const void *buf, size_t len)
 {
 	struct os_time t;
 	static unsigned int count = 0;
@@ -260,3 +262,22 @@ void random_mark_pool_ready(void)
 	wpa_printf(MSG_DEBUG, "random: Mark internal entropy pool to be "
 		   "ready (count=%u/%u)", own_pool_ready, MIN_READY_MARK);
 }
+
+#endif /* CONFIG_NO_RANDOM_POOL */
+
+
+void random_add_randomness(const void *buf, size_t len)
+{
+#ifdef __linux__
+	int fd;
+
+	fd = open("/dev/random", O_RDWR);
+	if (fd >= 0) {
+		write(fd, buf, len);
+		close(fd);
+	}
+#endif
+#ifndef CONFIG_NO_RANDOM_POOL
+	random_pool_add_randomness(buf, len);
+#endif
+}
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -698,11 +698,11 @@ endif
 ifdef CONFIG_NO_RANDOM_POOL
 CFLAGS += -DCONFIG_NO_RANDOM_POOL
 else
-OBJS += ../src/crypto/random.o
-HOBJS += ../src/crypto/random.o
 HOBJS += $(SHA1OBJS)
 HOBJS += ../src/crypto/md5.o
 endif
+OBJS += ../src/crypto/random.o
+HOBJS += ../src/crypto/random.o
 
 ifdef CONFIG_RADIUS_SERVER
 CFLAGS += -DRADIUS_SERVER
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -1101,9 +1101,8 @@ endif
 
 ifdef CONFIG_NO_RANDOM_POOL
 CFLAGS += -DCONFIG_NO_RANDOM_POOL
-else
-OBJS += ../src/crypto/random.o
 endif
+OBJS += ../src/crypto/random.o
 
 ifdef CONFIG_CTRL_IFACE
 ifeq ($(CONFIG_CTRL_IFACE), y)
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -1102,9 +1102,8 @@ endif
 
 ifdef CONFIG_NO_RANDOM_POOL
 L_CFLAGS += -DCONFIG_NO_RANDOM_POOL
-else
-OBJS += src/crypto/random.c
 endif
+OBJS += src/crypto/random.c
 
 ifdef CONFIG_CTRL_IFACE
 ifeq ($(CONFIG_CTRL_IFACE), y)
--- a/hostapd/Android.mk
+++ b/hostapd/Android.mk
@@ -717,11 +717,11 @@ endif
 ifdef CONFIG_NO_RANDOM_POOL
 L_CFLAGS += -DCONFIG_NO_RANDOM_POOL
 else
-OBJS += src/crypto/random.c
-HOBJS += src/crypto/random.c
 HOBJS += $(SHA1OBJS)
 HOBJS += src/crypto/md5.c
 endif
+OBJS += src/crypto/random.c
+HOBJS += src/crypto/random.c
 
 ifdef CONFIG_RADIUS_SERVER
 L_CFLAGS += -DRADIUS_SERVER
--- a/src/crypto/random.h
+++ b/src/crypto/random.h
@@ -16,15 +16,14 @@
 #define RANDOM_H
 
 #ifdef CONFIG_NO_RANDOM_POOL
-#define random_add_randomness(b, l) do { } while (0)
 #define random_get_bytes(b, l) os_get_random((b), (l))
 #define random_pool_ready() 1
 #define random_mark_pool_ready() do { } while (0)
 #else /* CONFIG_NO_RANDOM_POOL */
-void random_add_randomness(const void *buf, size_t len);
 int random_get_bytes(void *buf, size_t len);
 int random_pool_ready(void);
 void random_mark_pool_ready(void);
 #endif /* CONFIG_NO_RANDOM_POOL */
+void random_add_randomness(const void *buf, size_t len);
 
 #endif /* RANDOM_H */