check for malloc failure znd zero memory (from jim%wind@bellcore.com)

SCCS-vsn: sys/vax/vax/autoconf.c 7.11

diff --git a/usr/src/sys/vax/vax/autoconf.c b/usr/src/sys/vax/vax/autoconf.c
index 394e9b2..440e9ef 100644 (file)
--- a/usr/src/sys/vax/vax/autoconf.c
+++ b/usr/src/sys/vax/vax/autoconf.c
@@ -3,7 +3,7 @@
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *

- *     @(#)autoconf.c  7.10 (Berkeley) %G%
+ *     @(#)autoconf.c  7.11 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -644,6 +644,9 @@ unifind(uhp0, pumem)
         */
        uhp->uh_map = (struct map *)
                malloc(UAMSIZ * sizeof (struct map), M_DEVBUF, M_NOWAIT);
         */
        uhp->uh_map = (struct map *)
                malloc(UAMSIZ * sizeof (struct map), M_DEVBUF, M_NOWAIT);

+       if (uhp->uh_map == 0)
+               panic("no mem for unibus map");
+       bzero(uhp->uh_map, UNAMSIZ * sizeof (struct map));

        ubainitmaps(uhp);
 
        /*
        ubainitmaps(uhp);
 
        /*