Author: trasz
Date: Sat Feb 28 10:59:48 2009
New Revision: 189158
URL: http://svn.freebsd.org/changeset/base/189158
Log:
MFC r187650:
Guard against NULL pointer dereference.
Reviewed by: scottl
Approved by: rwatson (mentor)
Sponsored by: FreeBSD Foundation
Found with: Coverity Prevent(tm)
CID: 1847
Modified:
stable/7/sys/ (props changed)
stable/7/sys/cam/cam_xpt.c
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/dev/ath/ath_hal/ (props changed)
stable/7/sys/dev/cxgb/ (props changed)
Modified: stable/7/sys/cam/cam_xpt.c
==============================================================================
--- stable/7/sys/cam/cam_xpt.c Sat Feb 28 10:53:20 2009 (r189157)
+++ stable/7/sys/cam/cam_xpt.c Sat Feb 28 10:59:48 2009 (r189158)
@@ -4177,7 +4177,10 @@ xpt_path_string(struct cam_path *path, c
{
struct sbuf sb;
- mtx_assert(path->bus->sim->mtx, MA_OWNED);
+#ifdef INVARIANTS
+ if (path != NULL && path->bus != NULL && path->bus->sim != NULL)
+ mtx_assert(path->bus->sim->mtx, MA_OWNED);
+#endif
sbuf_new(&sb, str, str_len, 0);
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