Author: marcel
Date: Fri Feb 26 15:52:55 2016
New Revision: 296097
URL: https://svnweb.freebsd.org/changeset/base/296097

Log:
  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.

Modified:
  head/sys/boot/userboot/userboot/main.c

Modified: head/sys/boot/userboot/userboot/main.c
==============================================================================
--- head/sys/boot/userboot/userboot/main.c      Fri Feb 26 15:46:14 2016        
(r296096)
+++ head/sys/boot/userboot/userboot/main.c      Fri Feb 26 15:52:55 2016        
(r296097)
@@ -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,
        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,
         */
        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)
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