X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/blobdiff_plain/eee5ecd60b266619ed726c415204e4e70d9669b4..beac9491838fa2580de227381c30ece7fa10abe4:/sys/bus/cam/cam_periph.c

diff --git a/sys/bus/cam/cam_periph.c b/sys/bus/cam/cam_periph.c
index 6d801b7c57..39474df3c8 100644
--- a/sys/bus/cam/cam_periph.c
+++ b/sys/bus/cam/cam_periph.c
@@ -27,7 +27,7 @@
  * SUCH DAMAGE.
  *
  * $FreeBSD: src/sys/cam/cam_periph.c,v 1.24.2.3 2003/01/25 19:04:40 dillon Exp $
- * $DragonFly: src/sys/bus/cam/cam_periph.c,v 1.8 2004/03/12 03:23:13 dillon Exp $
+ * $DragonFly: src/sys/bus/cam/cam_periph.c,v 1.9 2005/03/15 20:42:12 dillon Exp $
  */
 
 #include <sys/param.h>
@@ -399,6 +399,12 @@ camperiphfree(struct cam_periph *periph)
 		if (strcmp((*p_drv)->driver_name, periph->periph_name) == 0)
 			break;
 	}
+
+	if (*p_drv == NULL) {
+		printf("camperiphfree: attempt to free "
+			"non-existant periph: %s\n", periph->periph_name);
+		return;
+	}
 	
 	if (periph->periph_dtor != NULL)
 		periph->periph_dtor(periph);