Re: [PATCH -next] PM:hibernate:fix miss close 'hib_resume_bdev' in load_image_and_restore

From: Rafael J. Wysocki
Date: Wed Feb 16 2022 - 13:49:17 EST


On Wed, Feb 9, 2022 at 12:13 PM Ye Bin <yebin10@xxxxxxxxxx> wrote:
>
> As 'swsusp_check' open 'hib_resume_bdev', if call 'create_basic_memory_bitmaps'
> failed, we need to close 'hib_resume_bdev' in 'load_image_and_restore' function.
>
> Signed-off-by: Ye Bin <yebin10@xxxxxxxxxx>
> ---
> kernel/power/hibernate.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
> index e6af502c2fd7..49d1df0218cb 100644
> --- a/kernel/power/hibernate.c
> +++ b/kernel/power/hibernate.c
> @@ -689,8 +689,10 @@ static int load_image_and_restore(void)
>
> lock_device_hotplug();
> error = create_basic_memory_bitmaps();
> - if (error)
> + if (error) {
> + swsusp_close(FMODE_READ | FMODE_EXCL);
> goto Unlock;
> + }
>
> error = swsusp_read(&flags);
> swsusp_close(FMODE_READ | FMODE_EXCL);
> --

Applied as 5.18 material, thanks!