On Thu, Apr 13, 2023 at 03:55:26PM +0800, Cong Liu wrote:
> This patch fixes memory leaks on error escapes in function fake_get_pages
>
> Fixes: c3bfba9a2225 ("drm/i915: Check for integer truncation on scatterlist creation")
> Signed-off-by: Cong Liu <liucong2@xxxxxxxxxx>
OK, while I was proposing the adjustments suggested by Jani you
already replied to the e-mail. I will keep your version.
Anyway, next time, please, do not forget to add the r-b's, in
this case it was Andrzej's.
Andi
> ---
> drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
> index 5361ce70d3f2..154801f1c468 100644
> --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
> @@ -69,8 +69,10 @@ static int fake_get_pages(struct drm_i915_gem_object *obj)
>
> rem = round_up(obj->base.size, BIT(31)) >> 31;
> /* restricted by sg_alloc_table */
> - if (overflows_type(rem, unsigned int))
> + if (overflows_type(rem, unsigned int)) {
> + kfree(pages);
> return -E2BIG;
> + }
>
> if (sg_alloc_table(pages, rem, GFP)) {
> kfree(pages);
> --
> 2.34.1
>
>
> No virus found
> Checked by Hillstone Network AntiVirus
