hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[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>
This commit is contained in:
Li Yang 2007-01-17 14:42:22 +08:00 committed by Paul Mackerras
parent 121361f72c
commit 06cd939677
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/platforms/83xx/mpc832x_mds.c
View File

@ -103,7 +103,7 @@ static void __init mpc832x_sys_setup_arch(void)
#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);

2
arch/powerpc/platforms/83xx/mpc8360e_pb.c
View File

@ -108,7 +108,7 @@ static void __init mpc8360_sys_setup_arch(void)
#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);