drm/amdgpu: remove redundant NULL check

Message ID 20221123074437.1841014-1-zys.zljxml@gmail.com
State New
Headers
Series drm/amdgpu: remove redundant NULL check |

Commit Message

Katrin Jo Nov. 23, 2022, 7:44 a.m. UTC
  From: Yushan Zhou <katrinzhou@tencent.com>

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

Signed-off-by: Yushan Zhou <katrinzhou@tencent.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 +++++++++++--------------
 1 file changed, 16 insertions(+), 20 deletions(-)
  

Comments

Luben Tuikov Nov. 24, 2022, 9 p.m. UTC | #1
Applied.

Thanks,
Luben

On 2022-11-23 02:44, zys.zljxml@gmail.com wrote:
> From: Yushan Zhou <katrinzhou@tencent.com>
> 
> release_firmware() checks whether firmware pointer is NULL.
> Remove the redundant NULL check in psp_sw_fini().
> 
> Signed-off-by: Yushan Zhou <katrinzhou@tencent.com>
> ---
>  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);
  

Patch

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);