From 05aabdfcf1bad0453f1376290ea758d2e967660e Mon Sep 17 00:00:00 2001
From: Sam Leffler <sam@FreeBSD.org>
Date: Sat, 26 Mar 2005 18:17:58 +0000
Subject: [PATCH] eliminate double free when sym_cam_attach fails

Noticed by:	Coverity Prevent analysis tool
---
 sys/dev/sym/sym_hipd.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sys/dev/sym/sym_hipd.c b/sys/dev/sym/sym_hipd.c
index 7e05c2257e65..54abca694bdf 100644
--- a/sys/dev/sym/sym_hipd.c
+++ b/sys/dev/sym/sym_hipd.c
@@ -9203,15 +9203,20 @@ static int sym_cam_attach(hcb_p np)
  */
 static void sym_cam_free(hcb_p np)
 {
-	if (np->intr)
+	if (np->intr) {
 		bus_teardown_intr(np->device, np->irq_res, np->intr);
+		np->intr = NULL;
+	}
 	
 	if (np->sim) {
 		xpt_bus_deregister(cam_sim_path(np->sim));
 		cam_sim_free(np->sim, /*free_devq*/ TRUE);
+		np->sim = NULL;
 	}
-	if (np->path)
+	if (np->path) {
 		xpt_free_path(np->path);
+		np->path = NULL;
+	}
 }
 
 /*============ OPTIONNAL NVRAM SUPPORT =================*/