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From: AndyPei <andy.pei@intel.com>
To: dev@dpdk.org
Cc: andy.pei@intel.com
Subject: [dpdk-dev] [PATCH] Fix a memnory leak bug due to malloc unproperly.
Date: Fri, 14 Dec 2018 02:33:18 +0800	[thread overview]
Message-ID: <1544725998-70149-1-git-send-email-andy.pei@intel.com> (raw)

Signed-off-by: AndyPei <andy.pei@intel.com>
---
 drivers/raw/ifpga_rawdev/base/opae_hw_api.c | 30 ++++++++++++++++++++++++-----
 drivers/raw/ifpga_rawdev/base/opae_hw_api.h |  2 ++
 drivers/raw/ifpga_rawdev/ifpga_rawdev.c     |  7 +++----
 3 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/drivers/raw/ifpga_rawdev/base/opae_hw_api.c b/drivers/raw/ifpga_rawdev/base/opae_hw_api.c
index a533dfe..b9cca65 100644
--- a/drivers/raw/ifpga_rawdev/base/opae_hw_api.c
+++ b/drivers/raw/ifpga_rawdev/base/opae_hw_api.c
@@ -303,7 +303,29 @@ static struct opae_adapter_ops *match_ops(struct opae_adapter *adapter)
 }
 
 /**
- * opae_adapter_data_alloc - alloc opae_adapter_data data structure
+ * opae_adapter_init - init opae_adapter data structure
+ * @adpdate: pointer of opae_adater data structure
+ * @name: adapter name.
+ * @data: private data of this adapter.
+ *
+ * Return: 0 on success.
+ */
+int opae_adapter_init(struct opae_adapter *adapter,
+		const char *name, void *data)
+{
+	if (!adapter)
+		return -ENOMEM;
+
+	TAILQ_INIT(&adapter->acc_list);
+	adapter->data = data;
+	adapter->name = name;
+	adapter->ops = match_ops(adapter);
+
+	return 0;
+}
+
+/**
+ * opae_adapter_alloc - alloc opae_adapter data structure
  * @name: adapter name.
  * @data: private data of this adapter.
  *
@@ -316,10 +338,8 @@ struct opae_adapter *opae_adapter_alloc(const char *name, void *data)
 	if (!adapter)
 		return NULL;
 
-	TAILQ_INIT(&adapter->acc_list);
-	adapter->data = data;
-	adapter->name = name;
-	adapter->ops = match_ops(adapter);
+	if (opae_adapter_init(adapter, name, data))
+		return NULL;
 
 	return adapter;
 }
diff --git a/drivers/raw/ifpga_rawdev/base/opae_hw_api.h b/drivers/raw/ifpga_rawdev/base/opae_hw_api.h
index 4bbc9df..86ca771 100644
--- a/drivers/raw/ifpga_rawdev/base/opae_hw_api.h
+++ b/drivers/raw/ifpga_rawdev/base/opae_hw_api.h
@@ -225,6 +225,8 @@ struct opae_adapter {
 void *opae_adapter_data_alloc(enum opae_adapter_type type);
 #define opae_adapter_data_free(data) opae_free(data)
 
+int opae_adapter_init(struct opae_adapter *adapter,
+		const char *name, void *data);
 struct opae_adapter *opae_adapter_alloc(const char *name, void *data);
 #define opae_adapter_free(adapter) opae_free(adapter)
 
diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
index 32e318f..d433091 100644
--- a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
+++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
@@ -409,9 +409,10 @@
 	data->device_id = pci_dev->id.device_id;
 	data->vendor_id = pci_dev->id.vendor_id;
 
+	adapter = rawdev->dev_private;
 	/* create a opae_adapter based on above device data */
-	adapter = opae_adapter_alloc(pci_dev->device.name, data);
-	if (!adapter) {
+	ret = opae_adapter_init(adapter, pci_dev->device.name, data);
+	if (ret) {
 		ret = -ENOMEM;
 		goto free_adapter_data;
 	}
@@ -420,8 +421,6 @@
 	rawdev->device = &pci_dev->device;
 	rawdev->driver_name = pci_dev->device.driver->name;
 
-	rawdev->dev_private = adapter;
-
 	/* must enumerate the adapter before use it */
 	ret = opae_adapter_enumerate(adapter);
 	if (ret)
-- 
1.8.3.1

             reply	other threads:[~2018-12-13 10:43 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-13 18:33 AndyPei [this message]
2018-12-13 14:32 ` Burakov, Anatoly
2018-12-18  7:16 ` Xu, Rosen
2018-12-18 19:35 ` [dpdk-dev] [PATCH v2]/driver/raw/ifpga_rawdev: fix a memory leak bug in ifpga AndyPei
2018-12-19  7:16   ` Xu, Rosen
2018-12-19  8:42     ` Pei, Andy
2018-12-25 14:02   ` [dpdk-dev] [PATCH v3]/driver/raw/ifpga_rawdev: " AndyPei
2019-01-02  2:47     ` Zhang, Tianfei
2019-01-02  6:52     ` Xu, Rosen
2019-01-15  0:03     ` Thomas Monjalon
2019-01-15  5:38     ` [dpdk-dev] [DPDK] [PATCH v4] raw/ifpga: fix a typo and delete code of unused function Andy Pei
2019-01-16 11:26       ` Xu, Rosen
2019-01-17  5:26       ` [dpdk-dev] [DPDK] " Andy Pei
2019-01-17  5:36         ` Ye Xiaolong
2019-01-17  6:39         ` [dpdk-dev] [DPDK] raw/ifpga: fix a typo Andy Pei
2019-01-17  8:39           ` Xu, Rosen

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