Check that the userboot version is at least 3, rather than

3 exactly. The structure may be of a newer version and as
long as it is backward compatible with 3, we can work with
it.

While here: whitespace nits.

1 files changed, 10 insertions, 9 deletions

diff --git a/sys/boot/userboot/userboot/main.c b/sys/boot/userboot/userboot/main.c
index e64bbc7..3a7a7fb 100644
--- a/sys/boot/userboot/userboot/main.c
+++ b/sys/boot/userboot/userboot/main.c
@@ -43,6 +43,7 @@ static void userboot_zfs_probe(void);
 static int userboot_zfs_found;
 #endif
 
+/* Minimum version required */
 #define	USERBOOT_VERSION	USERBOOT_VERSION_3
 
 #define	MALLOCSZ		(10*1024*1024)
@@ -64,7 +65,7 @@ void
 delay(int usec)
 {
 
-        CALLBACK(delay, usec);
+	CALLBACK(delay, usec);
 }
 
 void
@@ -82,11 +83,11 @@ loader_main(struct loader_callbacks *cb, void *arg, int version, int ndisks)
 	const char *var;
 	int i;
 
-        if (version != USERBOOT_VERSION)
-                abort();
+	if (version < USERBOOT_VERSION)
+		abort();
 
 	callbacks = cb;
-        callbacks_arg = arg;
+	callbacks_arg = arg;
 	userboot_disk_maxunit = ndisks;
 
 	/*
@@ -95,9 +96,9 @@ loader_main(struct loader_callbacks *cb, void *arg, int version, int ndisks)
 	 */
 	setheap((void *)mallocbuf, (void *)(mallocbuf + sizeof(mallocbuf)));
 
-        /*
-         * Hook up the console
-         */
+	/*
+	 * Hook up the console
+	 */
 	cons_probe();
 
 	printf("\n");
@@ -192,9 +193,9 @@ extract_currdev(void)
 	}
 
 	env_setenv("currdev", EV_VOLATILE, userboot_fmtdev(&dev),
-            userboot_setcurrdev, env_nounset);
+	    userboot_setcurrdev, env_nounset);
 	env_setenv("loaddev", EV_VOLATILE, userboot_fmtdev(&dev),
-            env_noset, env_nounset);
+	    env_noset, env_nounset);
 }
 
 #if defined(USERBOOT_ZFS_SUPPORT)