On 7/21/20 8:45 AM, Yu Kuai wrote:
> 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 <yuku...@huawei.com>
> ---
> arch/arm/mach-socfpga/pm.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/mach-socfpga/pm.c b/arch/arm/mach-socfpga/pm.c
> index 6ed887cf8dc9..365c0428b21b 100644
> --- 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);
>
>
Applied!
Thanks,
Dinh
