2022-11-23 08:00:04

by Katrin Jo

Subject: [PATCH] drm/amdgpu: remove redundant NULL check

From: Yushan Zhou <[email protected]>

release_firmware() checks whether firmware pointer is NULL.
Remove the redundant NULL check in psp_sw_fini().

Signed-off-by: Yushan Zhou <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 +++++++++++--------------
1 file changed, 16 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index effa7df3ddbf..77b966ab5439 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -484,26 +484,22 @@ static int psp_sw_fini(void *handle)
struct psp_gfx_cmd_resp *cmd = psp->cmd;

psp_memory_training_fini(psp);
- if (psp->sos_fw) {
- release_firmware(psp->sos_fw);
- psp->sos_fw = NULL;
- }
- if (psp->asd_fw) {
- release_firmware(psp->asd_fw);
- psp->asd_fw = NULL;
- }
- if (psp->ta_fw) {
- release_firmware(psp->ta_fw);
- psp->ta_fw = NULL;
- }
- if (psp->cap_fw) {
- release_firmware(psp->cap_fw);
- psp->cap_fw = NULL;
- }
- if (psp->toc_fw) {
- release_firmware(psp->toc_fw);
- psp->toc_fw = NULL;
- }
+
+ release_firmware(psp->sos_fw);
+ psp->sos_fw = NULL;
+
+ release_firmware(psp->asd_fw);
+ psp->asd_fw = NULL;
+
+ release_firmware(psp->ta_fw);
+ psp->ta_fw = NULL;
+
+ release_firmware(psp->cap_fw);
+ psp->cap_fw = NULL;
+
+ release_firmware(psp->toc_fw);
+ psp->toc_fw = NULL;
+
if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(11, 0, 0) ||
adev->ip_versions[MP0_HWIP][0] == IP_VERSION(11, 0, 7))
psp_sysfs_fini(adev);
--
2.27.0

2022-11-24 22:02:23

by Luben Tuikov

Subject: Re: [PATCH] drm/amdgpu: remove redundant NULL check

Applied.

Thanks,
Luben

On 2022-11-23 02:44, [email protected] wrote:
> From: Yushan Zhou <[email protected]>
>
> release_firmware() checks whether firmware pointer is NULL.
> Remove the redundant NULL check in psp_sw_fini().
>
> Signed-off-by: Yushan Zhou <[email protected]>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 +++++++++++--------------
> 1 file changed, 16 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> index effa7df3ddbf..77b966ab5439 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> @@ -484,26 +484,22 @@ static int psp_sw_fini(void *handle)
> struct psp_gfx_cmd_resp *cmd = psp->cmd;
>
> psp_memory_training_fini(psp);
> - if (psp->sos_fw) {
> - release_firmware(psp->sos_fw);
> - psp->sos_fw = NULL;
> - }
> - if (psp->asd_fw) {
> - release_firmware(psp->asd_fw);
> - psp->asd_fw = NULL;
> - }
> - if (psp->ta_fw) {
> - release_firmware(psp->ta_fw);
> - psp->ta_fw = NULL;
> - }
> - if (psp->cap_fw) {
> - release_firmware(psp->cap_fw);
> - psp->cap_fw = NULL;
> - }
> - if (psp->toc_fw) {
> - release_firmware(psp->toc_fw);
> - psp->toc_fw = NULL;
> - }
> +
> + release_firmware(psp->sos_fw);
> + psp->sos_fw = NULL;
> +
> + release_firmware(psp->asd_fw);
> + psp->asd_fw = NULL;
> +
> + release_firmware(psp->ta_fw);
> + psp->ta_fw = NULL;
> +
> + release_firmware(psp->cap_fw);
> + psp->cap_fw = NULL;
> +
> + release_firmware(psp->toc_fw);
> + psp->toc_fw = NULL;
> +
> if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(11, 0, 0) ||
> adev->ip_versions[MP0_HWIP][0] == IP_VERSION(11, 0, 7))
> psp_sysfs_fini(adev);