ARM: imx6: add missing put_device() call in imx6q_suspend_init()

if of_find_device_by_node() succeed, imx6q_suspend_init() doesn't have a
corresponding put_device(). Thus add a jump target to fix the exception
handling for this function implementation.

Signed-off-by: yu kuai <yukuai3@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c
index dd34dff..40c74b4 100644 (file)
--- a/arch/arm/mach-imx/pm-imx6.c
+++ b/arch/arm/mach-imx/pm-imx6.c
@@ -493,14 +493,14 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata)
        if (!ocram_pool) {
                pr_warn("%s: ocram pool unavailable!\n", __func__);
                ret = -ENODEV;
-               goto put_node;
+               goto put_device;
        }
 
        ocram_base = gen_pool_alloc(ocram_pool, MX6Q_SUSPEND_OCRAM_SIZE);
        if (!ocram_base) {
                pr_warn("%s: unable to alloc ocram!\n", __func__);
                ret = -ENOMEM;
-               goto put_node;
+               goto put_device;
        }
 
        ocram_pbase = gen_pool_virt_to_phys(ocram_pool, ocram_base);
@@ -523,7 +523,7 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata)
        ret = imx6_pm_get_base(&pm_info->mmdc_base, socdata->mmdc_compat);
        if (ret) {
                pr_warn("%s: failed to get mmdc base %d!\n", __func__, ret);
-               goto put_node;
+               goto put_device;
        }
 
        ret = imx6_pm_get_base(&pm_info->src_base, socdata->src_compat);
@@ -570,7 +570,7 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata)
                &imx6_suspend,
                MX6Q_SUSPEND_OCRAM_SIZE - sizeof(*pm_info));
 
-       goto put_node;
+       goto put_device;
 
 pl310_cache_map_failed:
        iounmap(pm_info->gpc_base.vbase);
@@ -580,6 +580,8 @@ iomuxc_map_failed:
        iounmap(pm_info->src_base.vbase);
 src_map_failed:
        iounmap(pm_info->mmdc_base.vbase);
+put_device:
+       put_device(&pdev->dev);
 put_node:
        of_node_put(node);