@@ -542,9 +542,11 @@ int fsl_rio_setup(struct platform_device *dev)
if (!dt_range) {
pr_err("%pOF: unable to find 'reg' property\n",
np);
+ of_node_put(np);
rc = -ENOMEM;
goto err_pw;
}
+ of_node_put(np);
range_start = of_read_number(dt_range, aw);
dbell->dbell_regs = (struct rio_dbell_regs *)(rmu_regs_win +
(u32)range_start);
@@ -570,9 +572,11 @@ int fsl_rio_setup(struct platform_device *dev)
if (!dt_range) {
pr_err("%pOF: unable to find 'reg' property\n",
np);
+ of_node_put(np);
rc = -ENOMEM;
goto err;
}
+ of_node_put(np);
range_start = of_read_number(dt_range, aw);
pw->pw_regs = (struct rio_pw_regs *)(rmu_regs_win + (u32)range_start);
@@ -582,6 +586,7 @@ int fsl_rio_setup(struct platform_device *dev)
if (!port_index) {
dev_err(&dev->dev, "Can't get %pOF property 'cell-index'\n",
np);
+ of_node_put(np);
continue;
}
@@ -589,6 +594,7 @@ int fsl_rio_setup(struct platform_device *dev)
if (!dt_range) {
dev_err(&dev->dev, "Can't get %pOF property 'ranges'\n",
np);
+ of_node_put(np);
continue;
}
@@ -611,6 +617,7 @@ int fsl_rio_setup(struct platform_device *dev)
dev_info(&dev->dev, "%pOF: LAW start 0x%016llx, size 0x%016llx.\n",
np, range_start, range_size);
+ of_node_put(np);
port = kzalloc(sizeof(struct rio_mport), GFP_KERNEL);
if (!port)
of_find_compatible_node() and for_each_child_of_node() will increase the refcount of 'np', so add of_node_put() after using it to avoid refcount leak. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- arch/powerpc/sysdev/fsl_rio.c | 7 +++++++ 1 file changed, 7 insertions(+)