ARM: socfpga: PM: add missing put_device() call in socfpga_setup_ocram_self_refresh()

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

Fixes: 44fd8c7d4005 ("ARM: socfpga: support suspend to ram")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

diff --git a/arch/arm/mach-socfpga/pm.c b/arch/arm/mach-socfpga/pm.c
index 6ed887cf8dc9ac7c65736458d507c375c8fc7960..365c0428b21b6be44055cb082f6d97f9a7654e96 100644 (file)
--- a/arch/arm/mach-socfpga/pm.c
+++ b/arch/arm/mach-socfpga/pm.c
@@ -49,14 +49,14 @@ static int socfpga_setup_ocram_self_refresh(void)
        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, socfpga_sdram_self_refresh_sz);
        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);
@@ -67,7 +67,7 @@ static int socfpga_setup_ocram_self_refresh(void)
        if (!suspend_ocram_base) {
                pr_warn("%s: __arm_ioremap_exec failed!\n", __func__);
                ret = -ENOMEM;
-               goto put_node;
+               goto put_device;
        }
 
        /* Copy the code that puts DDR in self refresh to ocram */
@@ -81,6 +81,8 @@ static int socfpga_setup_ocram_self_refresh(void)
        if (!socfpga_sdram_self_refresh_in_ocram)
                ret = -EFAULT;
 
+put_device:
+       put_device(&pdev->dev);
 put_node:
        of_node_put(np);