* [PATCH] drm/amdgpu: fix RAS memory leak in error case
@ 2020-06-02 5:49 Guchun Chen
2020-06-02 6:03 ` Zhou1, Tao
0 siblings, 1 reply; 2+ messages in thread
From: Guchun Chen @ 2020-06-02 5:49 UTC (permalink / raw)
To: amd-gfx, Hawking.Zhang, Tao.Zhou1; +Cc: Guchun Chen
RAS context memory needs to freed in failure case.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 5c73f444eaef..79bb05d791bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1881,9 +1881,8 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
amdgpu_ras_check_supported(adev, &con->hw_supported,
&con->supported);
if (!con->hw_supported) {
- amdgpu_ras_set_context(adev, NULL);
- kfree(con);
- return 0;
+ r = 0;
+ goto err_out;
}
con->features = 0;
@@ -1894,29 +1893,31 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
if (adev->nbio.funcs->init_ras_controller_interrupt) {
r = adev->nbio.funcs->init_ras_controller_interrupt(adev);
if (r)
- return r;
+ goto err_out;
}
if (adev->nbio.funcs->init_ras_err_event_athub_interrupt) {
r = adev->nbio.funcs->init_ras_err_event_athub_interrupt(adev);
if (r)
- return r;
+ goto err_out;
}
amdgpu_ras_mask &= AMDGPU_RAS_BLOCK_MASK;
- if (amdgpu_ras_fs_init(adev))
- goto fs_out;
+ if (amdgpu_ras_fs_init(adev)) {
+ r = -EINVAL;
+ goto err_out;
+ }
dev_info(adev->dev, "RAS INFO: ras initialized successfully, "
"hardware ability[%x] ras_mask[%x]\n",
con->hw_supported, con->supported);
return 0;
-fs_out:
+err_out:
amdgpu_ras_set_context(adev, NULL);
kfree(con);
- return -EINVAL;
+ return r;
}
/* helper function to handle common stuff in ip late init phase */
--
2.17.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [PATCH] drm/amdgpu: fix RAS memory leak in error case
2020-06-02 5:49 [PATCH] drm/amdgpu: fix RAS memory leak in error case Guchun Chen
@ 2020-06-02 6:03 ` Zhou1, Tao
0 siblings, 0 replies; 2+ messages in thread
From: Zhou1, Tao @ 2020-06-02 6:03 UTC (permalink / raw)
To: Chen, Guchun, amd-gfx, Zhang, Hawking
[AMD Public Use]
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
> -----Original Message-----
> From: Chen, Guchun <Guchun.Chen@amd.com>
> Sent: 2020年6月2日 13:50
> To: amd-gfx@lists.freedesktop.org; Zhang, Hawking
> <Hawking.Zhang@amd.com>; Zhou1, Tao <Tao.Zhou1@amd.com>
> Cc: Chen, Guchun <Guchun.Chen@amd.com>
> Subject: [PATCH] drm/amdgpu: fix RAS memory leak in error case
>
> RAS context memory needs to freed in failure case.
>
> Signed-off-by: Guchun Chen <guchun.chen@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 19 ++++++++++---------
> 1 file changed, 10 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> index 5c73f444eaef..79bb05d791bc 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> @@ -1881,9 +1881,8 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
> amdgpu_ras_check_supported(adev, &con->hw_supported,
> &con->supported);
> if (!con->hw_supported) {
> - amdgpu_ras_set_context(adev, NULL);
> - kfree(con);
> - return 0;
> + r = 0;
> + goto err_out;
> }
>
> con->features = 0;
> @@ -1894,29 +1893,31 @@ int amdgpu_ras_init(struct amdgpu_device
> *adev)
> if (adev->nbio.funcs->init_ras_controller_interrupt) {
> r = adev->nbio.funcs->init_ras_controller_interrupt(adev);
> if (r)
> - return r;
> + goto err_out;
> }
>
> if (adev->nbio.funcs->init_ras_err_event_athub_interrupt) {
> r = adev->nbio.funcs-
> >init_ras_err_event_athub_interrupt(adev);
> if (r)
> - return r;
> + goto err_out;
> }
>
> amdgpu_ras_mask &= AMDGPU_RAS_BLOCK_MASK;
>
> - if (amdgpu_ras_fs_init(adev))
> - goto fs_out;
> + if (amdgpu_ras_fs_init(adev)) {
> + r = -EINVAL;
> + goto err_out;
> + }
>
> dev_info(adev->dev, "RAS INFO: ras initialized successfully, "
> "hardware ability[%x] ras_mask[%x]\n",
> con->hw_supported, con->supported);
> return 0;
> -fs_out:
> +err_out:
> amdgpu_ras_set_context(adev, NULL);
> kfree(con);
>
> - return -EINVAL;
> + return r;
> }
>
> /* helper function to handle common stuff in ip late init phase */
> --
> 2.17.1
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 2+ messages in thread
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