Author: trasz
Date: Sat Feb 27 10:41:30 2010
New Revision: 204408
URL: http://svn.freebsd.org/changeset/base/204408
Log:
Fix panic on invalid 'mdconfig -at preload' usage.
PR: kern/80136
Modified:
head/sys/dev/md/md.c
Modified: head/sys/dev/md/md.c
==============================================================================
--- head/sys/dev/md/md.c Sat Feb 27 10:19:39 2010 (r204407)
+++ head/sys/dev/md/md.c Sat Feb 27 10:41:30 2010 (r204408)
@@ -814,6 +814,8 @@ mdcreate_preload(struct md_s *sc, struct
if (mdio->md_options & ~(MD_AUTOUNIT | MD_FORCE))
return (EINVAL);
+ if (mdio->md_base == 0)
+ return (EINVAL);
sc->flags = mdio->md_options & MD_FORCE;
/* Cast to pointer size, then to pointer to avoid warning */
sc->pl_ptr = (u_char *)(uintptr_t)mdio->md_base;
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