Acked-by: Liron Himi <lir...@marvell.com>

-----Original Message-----
From: wangyunjian <wangyunj...@huawei.com> 
Sent: Thursday, 22 October 2020 07:25
To: dev@dpdk.org
Cc: Liron Himi <lir...@marvell.com>; jerry.lili...@huawei.com; 
xudin...@huawei.com; Yunjian Wang <wangyunj...@huawei.com>; sta...@dpdk.org
Subject: [EXT] [dpdk-dev] [PATCH] net/mvpp2: fix memory leak in error path

External Email

----------------------------------------------------------------------
From: Yunjian Wang <wangyunj...@huawei.com>

In mrvl_create() allocated memory for 'mtr', we don't free it when profile get 
fails and it will lead to memory leak.

We can get profile at the beginning of the function to fix it, before calling 
mtr = rte_zmalloc_socket().

Fixes: cdb53f8da628 ("net/mvpp2: support metering")
Cc: sta...@dpdk.org

Signed-off-by: Yunjian Wang <wangyunj...@huawei.com>
---
 drivers/net/mvpp2/mrvl_mtr.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/mvpp2/mrvl_mtr.c b/drivers/net/mvpp2/mrvl_mtr.c index 
39272acea4..2fa5cb43ad 100644
--- a/drivers/net/mvpp2/mrvl_mtr.c
+++ b/drivers/net/mvpp2/mrvl_mtr.c
@@ -329,6 +329,12 @@ mrvl_create(struct rte_eth_dev *dev, uint32_t mtr_id,
        struct mrvl_mtr_profile *profile;
        struct mrvl_mtr *mtr;
 
+       profile = mrvl_mtr_profile_from_id(priv, params->meter_profile_id);
+       if (!profile)
+               return -rte_mtr_error_set(error, EINVAL,
+                                         RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
+                                         NULL, "Profile id does not exist\n");
+
        mtr = mrvl_mtr_from_id(priv, mtr_id);
        if (mtr)
                return -rte_mtr_error_set(error, EEXIST, @@ -341,12 +347,6 @@ 
mrvl_create(struct rte_eth_dev *dev, uint32_t mtr_id,
                                          RTE_MTR_ERROR_TYPE_UNSPECIFIED,
                                          NULL, NULL);
 
-       profile = mrvl_mtr_profile_from_id(priv, params->meter_profile_id);
-       if (!profile)
-               return -rte_mtr_error_set(error, EINVAL,
-                                         RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
-                                         NULL, "Profile id does not exist\n");
-
        mtr->shared = shared;
        mtr->mtr_id = mtr_id;
        mtr->plcr_bit = MRVL_PLCR_BIT_INVALID;
--
2.23.0

Reply via email to