xen-detect: reset xen_pv_context to 0 after a SIGILL is caught

reported by Steven @ Rack911
kaniini · Jan 29, 2014 · beca1d8 · beca1d8
1 parent 23fca3d
commit beca1d8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/xen-detect.c b/xen-detect.c
@@ -86,7 +86,10 @@ static bool xen_check_outer(void)
 
 	/* not HVM... catch SIGILL in case we're running outside Xen */
 	if (setjmp(xen_sigill_jmp))
+	{
+		xen_pv_context = 0;
 		return false;
+	}
 
 	memset(&act, 0, sizeof act);
 	act.sa_handler = xen_sigill_handler;