[POWERPC] Fix OF node refcnt underflow in 836x and 832x platform code
Incorrect use of of_find_node_by_name() causes of_node_put()
on a node which has already been put. It causes the refcount of
the node to underflow, which triggers the WARN_ON in kref_get
for 836x and 832x. This fixes it.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index f58c978..4d47119 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -103,7 +103,7 @@
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
- if ((np = of_find_node_by_name(np, "par_io")) != NULL) {
+ if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
par_io_init(np);
of_node_put(np);
diff --git a/arch/powerpc/platforms/83xx/mpc8360e_pb.c b/arch/powerpc/platforms/83xx/mpc8360e_pb.c
index 7bfd47a..53b92a9 100644
--- a/arch/powerpc/platforms/83xx/mpc8360e_pb.c
+++ b/arch/powerpc/platforms/83xx/mpc8360e_pb.c
@@ -108,7 +108,7 @@
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
- if ((np = of_find_node_by_name(np, "par_io")) != NULL) {
+ if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
par_io_init(np);
of_node_put(np);
