Author: trasz
Date: Sat Mar 27 14:43:40 2010
New Revision: 205730
URL: http://svn.freebsd.org/changeset/base/205730
Log:
MFC r204408:
Fix panic on invalid 'mdconfig -at preload' usage.
PR: kern/80136
Modified:
stable/8/sys/dev/md/md.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/dev/md/md.c
==============================================================================
--- stable/8/sys/dev/md/md.c Sat Mar 27 13:43:18 2010 (r205729)
+++ stable/8/sys/dev/md/md.c Sat Mar 27 14:43:40 2010 (r205730)
@@ -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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