[v2] baseband/turbo_sw: fix memory leak in error path

Message ID 1602769545-29456-1-git-send-email-wangyunjian@huawei.com (mailing list archive)
State Accepted, archived
Delegated to: akhil goyal
Headers
Series [v2] baseband/turbo_sw: fix memory leak in error path |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/iol-broadcom-Functional success Functional Testing PASS
ci/iol-broadcom-Performance success Performance Testing PASS
ci/iol-intel-Functional success Functional Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/Intel-compilation fail Compilation issues
ci/travis-robot success Travis build: passed
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-testing success Testing PASS

Commit Message

Yunjian Wang Oct. 15, 2020, 1:45 p.m. UTC
  From: Yunjian Wang <wangyunjian@huawei.com>

In q_setup() allocated memory for the queue data, we should free
it when error happens, otherwise it will lead to memory leak.

Fixes: b8cfe2c9aed2 ("bb/turbo_sw: add software turbo driver")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
v2:
   fix code styles Chautru Nicolas
---
 .../baseband/turbo_sw/bbdev_turbo_software.c  | 35 ++++++++++++++-----
 1 file changed, 26 insertions(+), 9 deletions(-)
  

Comments

Chautru, Nicolas Oct. 17, 2020, 12:22 a.m. UTC | #1
Thanks
Reviewed-by: Nicolas Chautru <nicolas.chautru@intel.com>

> -----Original Message-----
> From: wangyunjian <wangyunjian@huawei.com>
> Sent: Thursday, October 15, 2020 6:46 AM
> To: dev@dpdk.org
> Cc: Chautru, Nicolas <nicolas.chautru@intel.com>; jerry.lilijun@huawei.com;
> xudingke@huawei.com; Yunjian Wang <wangyunjian@huawei.com>;
> stable@dpdk.org
> Subject: [dpdk-dev] [PATCH v2] baseband/turbo_sw: fix memory leak in error
> path
> 
> From: Yunjian Wang <wangyunjian@huawei.com>
> 
> In q_setup() allocated memory for the queue data, we should free it when
> error happens, otherwise it will lead to memory leak.
> 
> Fixes: b8cfe2c9aed2 ("bb/turbo_sw: add software turbo driver")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
> ---
> v2:
>    fix code styles Chautru Nicolas
> ---
>  .../baseband/turbo_sw/bbdev_turbo_software.c  | 35 ++++++++++++++-----
>  1 file changed, 26 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
> b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
> index a36099e91..aa7f12238 100644
> --- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
> +++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
> @@ -10,6 +10,7 @@
>  #include <rte_ring.h>
>  #include <rte_kvargs.h>
>  #include <rte_cycles.h>
> +#include <rte_errno.h>
> 
>  #include <rte_bbdev.h>
>  #include <rte_bbdev_pmd.h>
> @@ -302,7 +303,8 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->enc_out = rte_zmalloc_socket(name,
>  			((RTE_BBDEV_TURBO_MAX_TB_SIZE >> 3) + 3) * @@
> -311,6 +313,7 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  	if (q->enc_out == NULL) {
>  		rte_bbdev_log(ERR,
>  			"Failed to allocate queue memory for %s", name);
> +		ret = -ENOMEM;
>  		goto free_q;
>  	}
> 
> @@ -322,7 +325,8 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->enc_in = rte_zmalloc_socket(name,
>  			(RTE_BBDEV_LDPC_MAX_CB_SIZE >> 3) * sizeof(*q-
> >enc_in), @@ -330,6 +334,7 @@ q_setup(struct rte_bbdev *dev, uint16_t
> q_id,
>  	if (q->enc_in == NULL) {
>  		rte_bbdev_log(ERR,
>  			"Failed to allocate queue memory for %s", name);
> +		ret = -ENOMEM;
>  		goto free_q;
>  	}
> 
> @@ -340,7 +345,8 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->ag = rte_zmalloc_socket(name,
>  			RTE_BBDEV_TURBO_MAX_CB_SIZE * 10 * sizeof(*q-
> >ag), @@ -348,6 +354,7 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  	if (q->ag == NULL) {
>  		rte_bbdev_log(ERR,
>  			"Failed to allocate queue memory for %s", name);
> +		ret = -ENOMEM;
>  		goto free_q;
>  	}
> 
> @@ -358,7 +365,8 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->code_block = rte_zmalloc_socket(name,
>  			RTE_BBDEV_TURBO_MAX_CB_SIZE * sizeof(*q-
> >code_block), @@ -366,6 +374,7 @@ q_setup(struct rte_bbdev *dev,
> uint16_t q_id,
>  	if (q->code_block == NULL) {
>  		rte_bbdev_log(ERR,
>  			"Failed to allocate queue memory for %s", name);
> +		ret = -ENOMEM;
>  		goto free_q;
>  	}
> 
> @@ -377,7 +386,8 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->deint_input = rte_zmalloc_socket(name,
>  			DEINT_INPUT_BUF_SIZE * sizeof(*q->deint_input),
> @@ -385,6 +395,7 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  	if (q->deint_input == NULL) {
>  		rte_bbdev_log(ERR,
>  			"Failed to allocate queue memory for %s", name);
> +		ret = -ENOMEM;
>  		goto free_q;
>  	}
> 
> @@ -396,7 +407,8 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->deint_output = rte_zmalloc_socket(NULL,
>  			DEINT_OUTPUT_BUF_SIZE * sizeof(*q-
> >deint_output), @@ -404,6 +416,7 @@ q_setup(struct rte_bbdev *dev,
> uint16_t q_id,
>  	if (q->deint_output == NULL) {
>  		rte_bbdev_log(ERR,
>  			"Failed to allocate queue memory for %s", name);
> +		ret = -ENOMEM;
>  		goto free_q;
>  	}
> 
> @@ -415,7 +428,8 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->adapter_output = rte_zmalloc_socket(NULL,
>  			ADAPTER_OUTPUT_BUF_SIZE * sizeof(*q-
> >adapter_output), @@ -423,6 +437,7 @@ q_setup(struct rte_bbdev *dev,
> uint16_t q_id,
>  	if (q->adapter_output == NULL) {
>  		rte_bbdev_log(ERR,
>  			"Failed to allocate queue memory for %s", name);
> +		ret = -ENOMEM;
>  		goto free_q;
>  	}
> 
> @@ -433,12 +448,14 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  		rte_bbdev_log(ERR,
>  				"Creating queue name for device %u queue
> %u failed",
>  				dev->data->dev_id, q_id);
> -		return -ENAMETOOLONG;
> +		ret = -ENAMETOOLONG;
> +		goto free_q;
>  	}
>  	q->processed_pkts = rte_ring_create(name, queue_conf-
> >queue_size,
>  			queue_conf->socket, RING_F_SP_ENQ |
> RING_F_SC_DEQ);
>  	if (q->processed_pkts == NULL) {
>  		rte_bbdev_log(ERR, "Failed to create ring for %s", name);
> +		ret = -rte_errno;
>  		goto free_q;
>  	}
> 
> @@ -458,7 +475,7 @@ q_setup(struct rte_bbdev *dev, uint16_t q_id,
>  	rte_free(q->deint_output);
>  	rte_free(q->adapter_output);
>  	rte_free(q);
> -	return -EFAULT;
> +	return ret;
>  }
> 
>  static const struct rte_bbdev_ops pmd_ops = {
> --
> 2.23.0

Reviewed-By
  
Akhil Goyal Oct. 28, 2020, 11:29 a.m. UTC | #2
> Subject: [dpdk-dev] [PATCH v2] baseband/turbo_sw: fix memory leak in error
> path
> 
> From: Yunjian Wang <wangyunjian@huawei.com>
> 
> In q_setup() allocated memory for the queue data, we should free
> it when error happens, otherwise it will lead to memory leak.
> 
> Fixes: b8cfe2c9aed2 ("bb/turbo_sw: add software turbo driver")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
> ---
> v2:
>    fix code styles Chautru Nicolas
Applied to dpdk-next-crypto
Thanks.
  

Patch

diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
index a36099e91..aa7f12238 100644
--- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
+++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
@@ -10,6 +10,7 @@ 
 #include <rte_ring.h>
 #include <rte_kvargs.h>
 #include <rte_cycles.h>
+#include <rte_errno.h>
 
 #include <rte_bbdev.h>
 #include <rte_bbdev_pmd.h>
@@ -302,7 +303,8 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->enc_out = rte_zmalloc_socket(name,
 			((RTE_BBDEV_TURBO_MAX_TB_SIZE >> 3) + 3) *
@@ -311,6 +313,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	if (q->enc_out == NULL) {
 		rte_bbdev_log(ERR,
 			"Failed to allocate queue memory for %s", name);
+		ret = -ENOMEM;
 		goto free_q;
 	}
 
@@ -322,7 +325,8 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->enc_in = rte_zmalloc_socket(name,
 			(RTE_BBDEV_LDPC_MAX_CB_SIZE >> 3) * sizeof(*q->enc_in),
@@ -330,6 +334,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	if (q->enc_in == NULL) {
 		rte_bbdev_log(ERR,
 			"Failed to allocate queue memory for %s", name);
+		ret = -ENOMEM;
 		goto free_q;
 	}
 
@@ -340,7 +345,8 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->ag = rte_zmalloc_socket(name,
 			RTE_BBDEV_TURBO_MAX_CB_SIZE * 10 * sizeof(*q->ag),
@@ -348,6 +354,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	if (q->ag == NULL) {
 		rte_bbdev_log(ERR,
 			"Failed to allocate queue memory for %s", name);
+		ret = -ENOMEM;
 		goto free_q;
 	}
 
@@ -358,7 +365,8 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->code_block = rte_zmalloc_socket(name,
 			RTE_BBDEV_TURBO_MAX_CB_SIZE * sizeof(*q->code_block),
@@ -366,6 +374,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	if (q->code_block == NULL) {
 		rte_bbdev_log(ERR,
 			"Failed to allocate queue memory for %s", name);
+		ret = -ENOMEM;
 		goto free_q;
 	}
 
@@ -377,7 +386,8 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->deint_input = rte_zmalloc_socket(name,
 			DEINT_INPUT_BUF_SIZE * sizeof(*q->deint_input),
@@ -385,6 +395,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	if (q->deint_input == NULL) {
 		rte_bbdev_log(ERR,
 			"Failed to allocate queue memory for %s", name);
+		ret = -ENOMEM;
 		goto free_q;
 	}
 
@@ -396,7 +407,8 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->deint_output = rte_zmalloc_socket(NULL,
 			DEINT_OUTPUT_BUF_SIZE * sizeof(*q->deint_output),
@@ -404,6 +416,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	if (q->deint_output == NULL) {
 		rte_bbdev_log(ERR,
 			"Failed to allocate queue memory for %s", name);
+		ret = -ENOMEM;
 		goto free_q;
 	}
 
@@ -415,7 +428,8 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->adapter_output = rte_zmalloc_socket(NULL,
 			ADAPTER_OUTPUT_BUF_SIZE * sizeof(*q->adapter_output),
@@ -423,6 +437,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	if (q->adapter_output == NULL) {
 		rte_bbdev_log(ERR,
 			"Failed to allocate queue memory for %s", name);
+		ret = -ENOMEM;
 		goto free_q;
 	}
 
@@ -433,12 +448,14 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 		rte_bbdev_log(ERR,
 				"Creating queue name for device %u queue %u failed",
 				dev->data->dev_id, q_id);
-		return -ENAMETOOLONG;
+		ret = -ENAMETOOLONG;
+		goto free_q;
 	}
 	q->processed_pkts = rte_ring_create(name, queue_conf->queue_size,
 			queue_conf->socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
 	if (q->processed_pkts == NULL) {
 		rte_bbdev_log(ERR, "Failed to create ring for %s", name);
+		ret = -rte_errno;
 		goto free_q;
 	}
 
@@ -458,7 +475,7 @@  q_setup(struct rte_bbdev *dev, uint16_t q_id,
 	rte_free(q->deint_output);
 	rte_free(q->adapter_output);
 	rte_free(q);
-	return -EFAULT;
+	return ret;
 }
 
 static const struct rte_bbdev_ops pmd_ops = {