diff mbox

ACPI: Fix acpi_evaluate_object() return value check

Message ID 1389873960-25500-1-git-send-email-wangyijing@huawei.com (mailing list archive)
State Deferred, archived
Headers show

Commit Message

Yijing Wang Jan. 16, 2014, 12:06 p.m. UTC
Fix acpi_evaluate_object() return value check,
shoud acpi_status not int.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
 drivers/gpu/drm/i915/intel_acpi.c              |   13 +++++++------
 drivers/gpu/drm/nouveau/core/subdev/mxm/base.c |    6 +++---
 drivers/gpu/drm/nouveau/nouveau_acpi.c         |   13 +++++++------
 drivers/pci/pci-label.c                        |    6 +++---
 4 files changed, 20 insertions(+), 18 deletions(-)

Comments

Yijing Wang Jan. 17, 2014, 1:22 a.m. UTC | #1
On 2014/1/17 9:24, Rafael J. Wysocki wrote:
> On Thursday, January 16, 2014 08:06:00 PM Yijing Wang wrote:
>> Fix acpi_evaluate_object() return value check,
>> shoud acpi_status not int.
>>
>> Signed-off-by: Yijing Wang <wangyijing@huawei.com>
> 
> Care to CC the maintainers of the files you're modifying in this patch?

OK,thanks.

> 
> Thanks!
> 
>> ---
>>  drivers/gpu/drm/i915/intel_acpi.c              |   13 +++++++------
>>  drivers/gpu/drm/nouveau/core/subdev/mxm/base.c |    6 +++---
>>  drivers/gpu/drm/nouveau/nouveau_acpi.c         |   13 +++++++------
>>  drivers/pci/pci-label.c                        |    6 +++---
>>  4 files changed, 20 insertions(+), 18 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
>> index dfff090..7ea00e5 100644
>> --- a/drivers/gpu/drm/i915/intel_acpi.c
>> +++ b/drivers/gpu/drm/i915/intel_acpi.c
>> @@ -35,7 +35,7 @@ static int intel_dsm(acpi_handle handle, int func)
>>  	union acpi_object params[4];
>>  	union acpi_object *obj;
>>  	u32 result;
>> -	int ret = 0;
>> +	acpi_status status;
>>  
>>  	input.count = 4;
>>  	input.pointer = params;
>> @@ -50,8 +50,8 @@ static int intel_dsm(acpi_handle handle, int func)
>>  	params[3].package.count = 0;
>>  	params[3].package.elements = NULL;
>>  
>> -	ret = acpi_evaluate_object(handle, "_DSM", &input, &output);
>> -	if (ret) {
>> +	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
>> +	if (ACPI_FAILURE(status)) {
>>  		DRM_DEBUG_DRIVER("failed to evaluate _DSM: %d\n", ret);
>>  		return ret;
>>  	}
>> @@ -141,7 +141,8 @@ static void intel_dsm_platform_mux_info(void)
>>  	struct acpi_object_list input;
>>  	union acpi_object params[4];
>>  	union acpi_object *pkg;
>> -	int i, ret;
>> +	acpi_status status;
>> +	int i;
>>  
>>  	input.count = 4;
>>  	input.pointer = params;
>> @@ -156,9 +157,9 @@ static void intel_dsm_platform_mux_info(void)
>>  	params[3].package.count = 0;
>>  	params[3].package.elements = NULL;
>>  
>> -	ret = acpi_evaluate_object(intel_dsm_priv.dhandle, "_DSM", &input,
>> +	acpi_status = acpi_evaluate_object(intel_dsm_priv.dhandle, "_DSM", &input,
>>  				   &output);
>> -	if (ret) {
>> +	if (ACPI_FAILURE(status)) {
>>  		DRM_DEBUG_DRIVER("failed to evaluate _DSM: %d\n", ret);
>>  		goto out;
>>  	}
>> diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
>> index 1291204..3920943 100644
>> --- a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
>> +++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
>> @@ -114,14 +114,14 @@ mxm_shadow_dsm(struct nouveau_mxm *mxm, u8 version)
>>  	struct acpi_buffer retn = { ACPI_ALLOCATE_BUFFER, NULL };
>>  	union acpi_object *obj;
>>  	acpi_handle handle;
>> -	int ret;
>> +	acpi_status status;
>>  
>>  	handle = ACPI_HANDLE(&device->pdev->dev);
>>  	if (!handle)
>>  		return false;
>>  
>> -	ret = acpi_evaluate_object(handle, "_DSM", &list, &retn);
>> -	if (ret) {
>> +	status = acpi_evaluate_object(handle, "_DSM", &list, &retn);
>> +	if (ACPI_FAILURE(status)) {
>>  		nv_debug(mxm, "DSM MXMS failed: %d\n", ret);
>>  		return false;
>>  	}
>> diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
>> index ba0183f..6f810f2 100644
>> --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
>> +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
>> @@ -82,7 +82,8 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *
>>  	struct acpi_object_list input;
>>  	union acpi_object params[4];
>>  	union acpi_object *obj;
>> -	int i, err;
>> +	acpi_status status;
>> +	int i;
>>  	char args_buff[4];
>>  
>>  	input.count = 4;
>> @@ -101,8 +102,8 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *
>>  		args_buff[i] = (arg >> i * 8) & 0xFF;
>>  	params[3].buffer.pointer = args_buff;
>>  
>> -	err = acpi_evaluate_object(handle, "_DSM", &input, &output);
>> -	if (err) {
>> +	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
>> +	if (ACPI_FAILURE(status)) {
>>  		printk(KERN_INFO "failed to evaluate _DSM: %d\n", err);
>>  		return err;
>>  	}
>> @@ -134,7 +135,7 @@ static int nouveau_dsm(acpi_handle handle, int func, int arg, uint32_t *result)
>>  	struct acpi_object_list input;
>>  	union acpi_object params[4];
>>  	union acpi_object *obj;
>> -	int err;
>> +	acpi_status status;
>>  
>>  	input.count = 4;
>>  	input.pointer = params;
>> @@ -148,8 +149,8 @@ static int nouveau_dsm(acpi_handle handle, int func, int arg, uint32_t *result)
>>  	params[3].type = ACPI_TYPE_INTEGER;
>>  	params[3].integer.value = arg;
>>  
>> -	err = acpi_evaluate_object(handle, "_DSM", &input, &output);
>> -	if (err) {
>> +	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
>> +	if (ACPI_FAILURE(status)) {
>>  		printk(KERN_INFO "failed to evaluate _DSM: %d\n", err);
>>  		return err;
>>  	}
>> diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
>> index d51f45a..3c21f1b 100644
>> --- a/drivers/pci/pci-label.c
>> +++ b/drivers/pci/pci-label.c
>> @@ -213,7 +213,7 @@ dsm_get_label(acpi_handle handle, int func,
>>  	union acpi_object *obj;
>>  	int len = 0;
>>  
>> -	int err;
>> +	acpi_status status;
>>  
>>  	input.count = 4;
>>  	input.pointer = params;
>> @@ -228,8 +228,8 @@ dsm_get_label(acpi_handle handle, int func,
>>  	params[3].package.count = 0;
>>  	params[3].package.elements = NULL;
>>  
>> -	err = acpi_evaluate_object(handle, "_DSM", &input, output);
>> -	if (err)
>> +	status = acpi_evaluate_object(handle, "_DSM", &input, output);
>> +	if (ACPI_FAILURE(status))
>>  		return -1;
>>  
>>  	obj = (union acpi_object *)output->pointer;
>>
>
Rafael J. Wysocki Jan. 17, 2014, 1:24 a.m. UTC | #2
On Thursday, January 16, 2014 08:06:00 PM Yijing Wang wrote:
> Fix acpi_evaluate_object() return value check,
> shoud acpi_status not int.
> 
> Signed-off-by: Yijing Wang <wangyijing@huawei.com>

Care to CC the maintainers of the files you're modifying in this patch?

Thanks!

> ---
>  drivers/gpu/drm/i915/intel_acpi.c              |   13 +++++++------
>  drivers/gpu/drm/nouveau/core/subdev/mxm/base.c |    6 +++---
>  drivers/gpu/drm/nouveau/nouveau_acpi.c         |   13 +++++++------
>  drivers/pci/pci-label.c                        |    6 +++---
>  4 files changed, 20 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
> index dfff090..7ea00e5 100644
> --- a/drivers/gpu/drm/i915/intel_acpi.c
> +++ b/drivers/gpu/drm/i915/intel_acpi.c
> @@ -35,7 +35,7 @@ static int intel_dsm(acpi_handle handle, int func)
>  	union acpi_object params[4];
>  	union acpi_object *obj;
>  	u32 result;
> -	int ret = 0;
> +	acpi_status status;
>  
>  	input.count = 4;
>  	input.pointer = params;
> @@ -50,8 +50,8 @@ static int intel_dsm(acpi_handle handle, int func)
>  	params[3].package.count = 0;
>  	params[3].package.elements = NULL;
>  
> -	ret = acpi_evaluate_object(handle, "_DSM", &input, &output);
> -	if (ret) {
> +	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
> +	if (ACPI_FAILURE(status)) {
>  		DRM_DEBUG_DRIVER("failed to evaluate _DSM: %d\n", ret);
>  		return ret;
>  	}
> @@ -141,7 +141,8 @@ static void intel_dsm_platform_mux_info(void)
>  	struct acpi_object_list input;
>  	union acpi_object params[4];
>  	union acpi_object *pkg;
> -	int i, ret;
> +	acpi_status status;
> +	int i;
>  
>  	input.count = 4;
>  	input.pointer = params;
> @@ -156,9 +157,9 @@ static void intel_dsm_platform_mux_info(void)
>  	params[3].package.count = 0;
>  	params[3].package.elements = NULL;
>  
> -	ret = acpi_evaluate_object(intel_dsm_priv.dhandle, "_DSM", &input,
> +	acpi_status = acpi_evaluate_object(intel_dsm_priv.dhandle, "_DSM", &input,
>  				   &output);
> -	if (ret) {
> +	if (ACPI_FAILURE(status)) {
>  		DRM_DEBUG_DRIVER("failed to evaluate _DSM: %d\n", ret);
>  		goto out;
>  	}
> diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
> index 1291204..3920943 100644
> --- a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
> +++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
> @@ -114,14 +114,14 @@ mxm_shadow_dsm(struct nouveau_mxm *mxm, u8 version)
>  	struct acpi_buffer retn = { ACPI_ALLOCATE_BUFFER, NULL };
>  	union acpi_object *obj;
>  	acpi_handle handle;
> -	int ret;
> +	acpi_status status;
>  
>  	handle = ACPI_HANDLE(&device->pdev->dev);
>  	if (!handle)
>  		return false;
>  
> -	ret = acpi_evaluate_object(handle, "_DSM", &list, &retn);
> -	if (ret) {
> +	status = acpi_evaluate_object(handle, "_DSM", &list, &retn);
> +	if (ACPI_FAILURE(status)) {
>  		nv_debug(mxm, "DSM MXMS failed: %d\n", ret);
>  		return false;
>  	}
> diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
> index ba0183f..6f810f2 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
> @@ -82,7 +82,8 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *
>  	struct acpi_object_list input;
>  	union acpi_object params[4];
>  	union acpi_object *obj;
> -	int i, err;
> +	acpi_status status;
> +	int i;
>  	char args_buff[4];
>  
>  	input.count = 4;
> @@ -101,8 +102,8 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *
>  		args_buff[i] = (arg >> i * 8) & 0xFF;
>  	params[3].buffer.pointer = args_buff;
>  
> -	err = acpi_evaluate_object(handle, "_DSM", &input, &output);
> -	if (err) {
> +	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
> +	if (ACPI_FAILURE(status)) {
>  		printk(KERN_INFO "failed to evaluate _DSM: %d\n", err);
>  		return err;
>  	}
> @@ -134,7 +135,7 @@ static int nouveau_dsm(acpi_handle handle, int func, int arg, uint32_t *result)
>  	struct acpi_object_list input;
>  	union acpi_object params[4];
>  	union acpi_object *obj;
> -	int err;
> +	acpi_status status;
>  
>  	input.count = 4;
>  	input.pointer = params;
> @@ -148,8 +149,8 @@ static int nouveau_dsm(acpi_handle handle, int func, int arg, uint32_t *result)
>  	params[3].type = ACPI_TYPE_INTEGER;
>  	params[3].integer.value = arg;
>  
> -	err = acpi_evaluate_object(handle, "_DSM", &input, &output);
> -	if (err) {
> +	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
> +	if (ACPI_FAILURE(status)) {
>  		printk(KERN_INFO "failed to evaluate _DSM: %d\n", err);
>  		return err;
>  	}
> diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
> index d51f45a..3c21f1b 100644
> --- a/drivers/pci/pci-label.c
> +++ b/drivers/pci/pci-label.c
> @@ -213,7 +213,7 @@ dsm_get_label(acpi_handle handle, int func,
>  	union acpi_object *obj;
>  	int len = 0;
>  
> -	int err;
> +	acpi_status status;
>  
>  	input.count = 4;
>  	input.pointer = params;
> @@ -228,8 +228,8 @@ dsm_get_label(acpi_handle handle, int func,
>  	params[3].package.count = 0;
>  	params[3].package.elements = NULL;
>  
> -	err = acpi_evaluate_object(handle, "_DSM", &input, output);
> -	if (err)
> +	status = acpi_evaluate_object(handle, "_DSM", &input, output);
> +	if (ACPI_FAILURE(status))
>  		return -1;
>  
>  	obj = (union acpi_object *)output->pointer;
>
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
index dfff090..7ea00e5 100644
--- a/drivers/gpu/drm/i915/intel_acpi.c
+++ b/drivers/gpu/drm/i915/intel_acpi.c
@@ -35,7 +35,7 @@  static int intel_dsm(acpi_handle handle, int func)
 	union acpi_object params[4];
 	union acpi_object *obj;
 	u32 result;
-	int ret = 0;
+	acpi_status status;
 
 	input.count = 4;
 	input.pointer = params;
@@ -50,8 +50,8 @@  static int intel_dsm(acpi_handle handle, int func)
 	params[3].package.count = 0;
 	params[3].package.elements = NULL;
 
-	ret = acpi_evaluate_object(handle, "_DSM", &input, &output);
-	if (ret) {
+	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
+	if (ACPI_FAILURE(status)) {
 		DRM_DEBUG_DRIVER("failed to evaluate _DSM: %d\n", ret);
 		return ret;
 	}
@@ -141,7 +141,8 @@  static void intel_dsm_platform_mux_info(void)
 	struct acpi_object_list input;
 	union acpi_object params[4];
 	union acpi_object *pkg;
-	int i, ret;
+	acpi_status status;
+	int i;
 
 	input.count = 4;
 	input.pointer = params;
@@ -156,9 +157,9 @@  static void intel_dsm_platform_mux_info(void)
 	params[3].package.count = 0;
 	params[3].package.elements = NULL;
 
-	ret = acpi_evaluate_object(intel_dsm_priv.dhandle, "_DSM", &input,
+	acpi_status = acpi_evaluate_object(intel_dsm_priv.dhandle, "_DSM", &input,
 				   &output);
-	if (ret) {
+	if (ACPI_FAILURE(status)) {
 		DRM_DEBUG_DRIVER("failed to evaluate _DSM: %d\n", ret);
 		goto out;
 	}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
index 1291204..3920943 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
@@ -114,14 +114,14 @@  mxm_shadow_dsm(struct nouveau_mxm *mxm, u8 version)
 	struct acpi_buffer retn = { ACPI_ALLOCATE_BUFFER, NULL };
 	union acpi_object *obj;
 	acpi_handle handle;
-	int ret;
+	acpi_status status;
 
 	handle = ACPI_HANDLE(&device->pdev->dev);
 	if (!handle)
 		return false;
 
-	ret = acpi_evaluate_object(handle, "_DSM", &list, &retn);
-	if (ret) {
+	status = acpi_evaluate_object(handle, "_DSM", &list, &retn);
+	if (ACPI_FAILURE(status)) {
 		nv_debug(mxm, "DSM MXMS failed: %d\n", ret);
 		return false;
 	}
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index ba0183f..6f810f2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -82,7 +82,8 @@  static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *
 	struct acpi_object_list input;
 	union acpi_object params[4];
 	union acpi_object *obj;
-	int i, err;
+	acpi_status status;
+	int i;
 	char args_buff[4];
 
 	input.count = 4;
@@ -101,8 +102,8 @@  static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *
 		args_buff[i] = (arg >> i * 8) & 0xFF;
 	params[3].buffer.pointer = args_buff;
 
-	err = acpi_evaluate_object(handle, "_DSM", &input, &output);
-	if (err) {
+	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
+	if (ACPI_FAILURE(status)) {
 		printk(KERN_INFO "failed to evaluate _DSM: %d\n", err);
 		return err;
 	}
@@ -134,7 +135,7 @@  static int nouveau_dsm(acpi_handle handle, int func, int arg, uint32_t *result)
 	struct acpi_object_list input;
 	union acpi_object params[4];
 	union acpi_object *obj;
-	int err;
+	acpi_status status;
 
 	input.count = 4;
 	input.pointer = params;
@@ -148,8 +149,8 @@  static int nouveau_dsm(acpi_handle handle, int func, int arg, uint32_t *result)
 	params[3].type = ACPI_TYPE_INTEGER;
 	params[3].integer.value = arg;
 
-	err = acpi_evaluate_object(handle, "_DSM", &input, &output);
-	if (err) {
+	status = acpi_evaluate_object(handle, "_DSM", &input, &output);
+	if (ACPI_FAILURE(status)) {
 		printk(KERN_INFO "failed to evaluate _DSM: %d\n", err);
 		return err;
 	}
diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
index d51f45a..3c21f1b 100644
--- a/drivers/pci/pci-label.c
+++ b/drivers/pci/pci-label.c
@@ -213,7 +213,7 @@  dsm_get_label(acpi_handle handle, int func,
 	union acpi_object *obj;
 	int len = 0;
 
-	int err;
+	acpi_status status;
 
 	input.count = 4;
 	input.pointer = params;
@@ -228,8 +228,8 @@  dsm_get_label(acpi_handle handle, int func,
 	params[3].package.count = 0;
 	params[3].package.elements = NULL;
 
-	err = acpi_evaluate_object(handle, "_DSM", &input, output);
-	if (err)
+	status = acpi_evaluate_object(handle, "_DSM", &input, output);
+	if (ACPI_FAILURE(status))
 		return -1;
 
 	obj = (union acpi_object *)output->pointer;