[PATCH] drm/amdgpu: convert sysfs sprintf/snprintf family to sysfs_emit

Jiapeng Chong jiapeng.chong at linux.alibaba.com
Wed Feb 3 07:22:53 UTC 2021


Fix the following coccicheck warning:

./drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:207:8-16: WARNING: use
scnprintf or sprintf.

 ./drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:185:8-16: WARNING: use
scnprintf or sprintf.

./drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:163:8-16: WARNING: use
scnprintf or sprintf.

./drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:139:8-16: WARNING: use
scnprintf or sprintf.

Reported-by: Abaci Robot<abaci at linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong at linux.alibaba.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index cab1eba..89b5e7c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -136,7 +136,7 @@ static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev,
 	struct amdgpu_device *adev = drm_to_adev(ddev);
 	uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev);
 
-	return snprintf(buf, PAGE_SIZE, "%llu\n", cnt);
+	return sysfs_emit(buf, "%llu\n", cnt);
 }
 
 static DEVICE_ATTR(pcie_replay_count, S_IRUGO,
@@ -160,7 +160,7 @@ static ssize_t amdgpu_device_get_product_name(struct device *dev,
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = drm_to_adev(ddev);
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_name);
+	return sysfs_emit(buf, "%s\n", adev->product_name);
 }
 
 static DEVICE_ATTR(product_name, S_IRUGO,
@@ -182,7 +182,7 @@ static ssize_t amdgpu_device_get_product_number(struct device *dev,
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = drm_to_adev(ddev);
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_number);
+	return sysfs_emit(buf, "%s\n", adev->product_number);
 }
 
 static DEVICE_ATTR(product_number, S_IRUGO,
@@ -204,7 +204,7 @@ static ssize_t amdgpu_device_get_serial_number(struct device *dev,
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = drm_to_adev(ddev);
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", adev->serial);
+	return sysfs_emit(buf, "%s\n", adev->serial);
 }
 
 static DEVICE_ATTR(serial_number, S_IRUGO,
-- 
1.8.3.1



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