2014-02-12 13:46:35

by Masanari Iida

Subject: [PATCH] drm/ttm: Fix memory leak in ttm_agp_backend.c

This patch fix a memory leak found by cppcheck.
[drivers/gpu/drm/ttm/ttm_agp_backend.c:129]:
(error) Memory leak: agp_be

Signed-off-by: Masanari Iida <[email protected]>
---
drivers/gpu/drm/ttm/ttm_agp_backend.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c
index 3302f99..764be36 100644
--- a/drivers/gpu/drm/ttm/ttm_agp_backend.c
+++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c
@@ -126,6 +126,7 @@ struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev,
agp_be->ttm.func = &ttm_agp_func;

if (ttm_tt_init(&agp_be->ttm, bdev, size, page_flags, dummy_read_page)) {
+ kfree(agp_be);
return NULL;
}

--
1.9.rc1

2014-02-13 12:31:16

by Thomas Hellstrom

Subject: Re: [PATCH] drm/ttm: Fix memory leak in ttm_agp_backend.c

On 02/12/2014 02:46 PM, Masanari Iida wrote:
> This patch fix a memory leak found by cppcheck.
> [drivers/gpu/drm/ttm/ttm_agp_backend.c:129]:
> (error) Memory leak: agp_be
>
> Signed-off-by: Masanari Iida <[email protected]>
> ---
> drivers/gpu/drm/ttm/ttm_agp_backend.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c
> index 3302f99..764be36 100644
> --- a/drivers/gpu/drm/ttm/ttm_agp_backend.c
> +++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c
> @@ -126,6 +126,7 @@ struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev,
> agp_be->ttm.func = &ttm_agp_func;
>
> if (ttm_tt_init(&agp_be->ttm, bdev, size, page_flags, dummy_read_page)) {
> + kfree(agp_be);
> return NULL;
> }
>

Thanks, I'll include in the next ttm-fixes pull request.

/Thomas