[PATCH v3 1/3] drm/bridge: anx7625: Convert to use devm_kzalloc

Hsin-Yi Wang hsinyi at chromium.org
Thu Jan 13 08:29:16 UTC 2022


Use devm_kzalloc instead of kzalloc and drop kfree(). Let the memory
handled by driver detach.

Signed-off-by: Hsin-Yi Wang <hsinyi at chromium.org>
Reviewed-by: Xin Ji <xji at analogixsemi.com>
---
v2->v3: remove kfree() in anx7625_i2c_remove().
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 0b858c78abe8b6..d3661c78770a8f 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -2515,7 +2515,7 @@ static int anx7625_i2c_probe(struct i2c_client *client,
 		return -ENODEV;
 	}
 
-	platform = kzalloc(sizeof(*platform), GFP_KERNEL);
+	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
 	if (!platform) {
 		DRM_DEV_ERROR(dev, "fail to allocate driver data\n");
 		return -ENOMEM;
@@ -2527,7 +2527,7 @@ static int anx7625_i2c_probe(struct i2c_client *client,
 	if (ret) {
 		if (ret != -EPROBE_DEFER)
 			DRM_DEV_ERROR(dev, "fail to parse DT : %d\n", ret);
-		goto free_platform;
+		return ret;
 	}
 
 	platform->client = client;
@@ -2552,7 +2552,7 @@ static int anx7625_i2c_probe(struct i2c_client *client,
 	if (!platform->hdcp_workqueue) {
 		dev_err(dev, "fail to create work queue\n");
 		ret = -ENOMEM;
-		goto free_platform;
+		return ret;
 	}
 
 	platform->pdata.intp_irq = client->irq;
@@ -2637,9 +2637,6 @@ static int anx7625_i2c_probe(struct i2c_client *client,
 	if (platform->hdcp_workqueue)
 		destroy_workqueue(platform->hdcp_workqueue);
 
-free_platform:
-	kfree(platform);
-
 	return ret;
 }
 
@@ -2666,7 +2663,6 @@ static int anx7625_i2c_remove(struct i2c_client *client)
 	if (platform->pdata.audio_en)
 		anx7625_unregister_audio(platform);
 
-	kfree(platform);
 	return 0;
 }
 
-- 
2.34.1.575.g55b058a8bb-goog



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