Author: julian
Date: Sun Aug  2 16:59:02 2009
New Revision: 196038
URL: http://svn.freebsd.org/changeset/base/196038

Log:
  Stop uuidgen(2) from crashing in vimage kerenels.
  make curvnet valid when needed.
  
  Reviewed by:  bz@
  Approved by:  re (kib)

Modified:
  head/sys/kern/kern_uuid.c

Modified: head/sys/kern/kern_uuid.c
==============================================================================
--- head/sys/kern/kern_uuid.c   Sun Aug  2 14:28:40 2009        (r196037)
+++ head/sys/kern/kern_uuid.c   Sun Aug  2 16:59:02 2009        (r196038)
@@ -36,6 +36,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/socket.h>
 #include <sys/sysproto.h>
 #include <sys/systm.h>
+#include <sys/jail.h>
 #include <sys/uuid.h>
 
 #include <net/if.h>
@@ -93,6 +94,7 @@ uuid_node(uint16_t *node)
        struct sockaddr_dl *sdl;
        int i;
 
+       CURVNET_SET(TD_TO_VNET(curthread));
        IFNET_RLOCK();
        TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
                /* Walk the address list */
@@ -105,6 +107,7 @@ uuid_node(uint16_t *node)
                                bcopy(LLADDR(sdl), node, UUID_NODE_LEN);
                                IF_ADDR_UNLOCK(ifp);
                                IFNET_RUNLOCK();
+                               CURVNET_RESTORE();
                                return;
                        }
                }
@@ -115,6 +118,7 @@ uuid_node(uint16_t *node)
        for (i = 0; i < (UUID_NODE_LEN>>1); i++)
                node[i] = (uint16_t)arc4random();
        *((uint8_t*)node) |= 0x01;
+       CURVNET_RESTORE();
 }
 
 /*
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"

Reply via email to