Author: nwhitehorn
Date: Mon Apr 30 19:37:32 2018
New Revision: 333124
URL: https://svnweb.freebsd.org/changeset/base/333124
Log:
Fix null pointer dereference on nodes without a "compatible" property.
MFC after: 1 week
Modified:
head/sys/powerpc/powermac/macio.c
Modified: head/sys/powerpc/powermac/macio.c
==============================================================================
--- head/sys/powerpc/powermac/macio.c Mon Apr 30 19:21:20 2018
(r333123)
+++ head/sys/powerpc/powermac/macio.c Mon Apr 30 19:37:32 2018
(r333124)
@@ -399,7 +399,8 @@ macio_attach(device_t dev)
continue;
if (strcmp(ofw_bus_get_name(cdev), "bmac") == 0 ||
- strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0) {
+ (ofw_bus_get_compat(cdev) != NULL &&
+ strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0)) {
uint32_t fcr;
fcr = bus_read_4(sc->sc_memr, HEATHROW_FCR);
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