PM / Hibernate: Return error code when alloc_image_page() fails

Currently we return 0 in swsusp_alloc() when alloc_image_page() fails.
Fix that.  Also remove unneeded "error" variable since the only
useful value of error is -ENOMEM.

[rjw: Fixed up the changelog and changed subject.]

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: stable@kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Stanislaw Gruszka 2011-02-12 21:06:51 +01:00 committed by Rafael J. Wysocki
parent a2640111d5
commit 2e725a065b

View File

@ -1519,11 +1519,8 @@ static int
swsusp_alloc(struct memory_bitmap *orig_bm, struct memory_bitmap *copy_bm,
unsigned int nr_pages, unsigned int nr_highmem)
{
int error = 0;
if (nr_highmem > 0) {
error = get_highmem_buffer(PG_ANY);
if (error)
if (get_highmem_buffer(PG_ANY))
goto err_out;
if (nr_highmem > alloc_highmem) {
nr_highmem -= alloc_highmem;
@ -1546,7 +1543,7 @@ swsusp_alloc(struct memory_bitmap *orig_bm, struct memory_bitmap *copy_bm,
err_out:
swsusp_free();
return error;
return -ENOMEM;
}
asmlinkage int swsusp_save(void)