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From: Xueming Li <xuemingl@nvidia.com>
To: Thomas Monjalon <thomas@monjalon.net>, Gaetan Rivet <gaetanr@nvidia.com>
Cc: dev@dpdk.org, xuemingl@nvidia.com, Asaf Penso <asafp@nvidia.com>,
	gaetan.rivet@6wind.com, stable@dpdk.org,
	Shreyansh Jain <shreyansh.jain@nxp.com>
Subject: [dpdk-dev] [PATCH v4 2/5] devargs: fix memory leak on parsing error
Date: Sat, 10 Apr 2021 14:23:54 +0000
Message-ID: <1618064637-16413-3-git-send-email-xuemingl@nvidia.com> (raw)
In-Reply-To: <1618064637-16413-1-git-send-email-xuemingl@nvidia.com>
In-Reply-To: <1608304614-13908-2-git-send-email-xuemingl@nvidia.com>

This patch fixes memory leak in parsing error handling.

Fixes: 338327d731e6 ("devargs: add function to parse device layers")
Cc: gaetan.rivet@6wind.com
Cc: stable@dpdk.org

Signed-off-by: Xueming Li <xuemingl@nvidia.com>
Reviewed-by: Gaetan Rivet <grive@u256.net>
---
 lib/librte_eal/common/eal_common_devargs.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
index 48f85ee9c0..e40b91ea66 100644
--- a/lib/librte_eal/common/eal_common_devargs.c
+++ b/lib/librte_eal/common/eal_common_devargs.c
@@ -60,6 +60,7 @@ rte_devargs_layers_parse(struct rte_devargs *devargs,
 	size_t nblayer;
 	size_t i = 0;
 	int ret = 0;
+	bool allocated_data = false;
 
 	/* Split each sub-lists. */
 	nblayer = devargs_layer_count(devstr);
@@ -81,6 +82,7 @@ rte_devargs_layers_parse(struct rte_devargs *devargs,
 			ret = -ENOMEM;
 			goto get_out;
 		}
+		allocated_data = true;
 		s = devargs->data;
 	}
 
@@ -163,8 +165,14 @@ rte_devargs_layers_parse(struct rte_devargs *devargs,
 		if (layers[i].kvlist)
 			rte_kvargs_free(layers[i].kvlist);
 	}
-	if (ret != 0)
+	if (ret != 0) {
+		if (allocated_data) {
+			/* Free duplicated data. */
+			free(devargs->data);
+			devargs->data = NULL;
+		}
 		rte_errno = -ret;
+	}
 	return ret;
 }
 
-- 
2.25.1


  parent reply	other threads:[~2021-04-10 14:24 UTC|newest]

Thread overview: 119+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 15:16 [dpdk-dev] [RFC 0/9] support global syntax Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 1/9] devargs: fix data buffer storage type Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 0/7] eal: support global syntax Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 1/7] devargs: fix data buffer storage type Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 2/7] devargs: fix memory leak on parsing error Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 3/7] devargs: fix memory leak in legacy parser Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 4/7] devargs: fix buffer data memory leak Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 5/7] kvargs: add get by key function Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 6/7] devargs: support new global device syntax Xueming Li
2021-01-08 14:54   ` [dpdk-dev] [PATCH v1 7/7] bus/pci: add new global device syntax support Xueming Li
2021-01-08 15:14   ` [dpdk-dev] [PATCH v1 0/2] mlx5: support global syntax Xueming Li
2021-01-08 15:14   ` [dpdk-dev] [PATCH v1 1/2] common/mlx5: support device " Xueming Li
2021-01-08 15:15   ` [dpdk-dev] [PATCH v1 2/2] net/mlx5: support new " Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 0/9] net/mlx5: support SubFunction representor Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 1/9] common/mlx5: update representor name parsing Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 2/9] net/mlx5: support representor of sub function Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 3/9] net/mlx5: revert setting bonding representor to first PF Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 4/9] net/mlx5: refactor bonding representor probe Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 5/9] net/mlx5: support representor from multiple PFs Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 6/9] net/mlx5: save bonding member ports information Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 7/9] " Xueming Li
2021-01-18 16:17     ` Slava Ovsiienko
2021-01-18 23:05       ` Xueming(Steven) Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 8/9] net/mlx5: fix setting VF default MAC through representor Xueming Li
2021-01-18 11:29   ` [dpdk-dev] [PATCH v3 9/9] net/mlx5: improve bonding xstats Xueming Li
2021-01-18 15:16   ` [dpdk-dev] [PATCH v2 0/5] eal: enable global device syntax Xueming Li
2021-01-18 15:16   ` [dpdk-dev] [PATCH v2 1/5] devargs: fix memory leak on parsing error Xueming Li
2021-03-18  9:12     ` Thomas Monjalon
2021-01-18 15:16   ` [dpdk-dev] [PATCH v2 2/5] devargs: refactor scratch buffer storage Xueming Li
2021-03-18  9:14     ` Thomas Monjalon
2021-01-18 15:16   ` [dpdk-dev] [PATCH v2 3/5] kvargs: add get by key function Xueming Li
2021-01-18 15:16   ` [dpdk-dev] [PATCH v2 4/5] devargs: parse name from global device syntax Xueming Li
2021-01-18 15:16   ` [dpdk-dev] [PATCH v2 5/5] devargs: enable global device syntax devargs Xueming Li
2021-01-18 15:26   ` [dpdk-dev] [PATCH v2 0/2] mlx5: support global device syntax Xueming Li
2021-01-18 15:26   ` [dpdk-dev] [PATCH v2 1/2] common/mlx5: support device global syntax Xueming Li
2021-04-05 10:54     ` Slava Ovsiienko
2021-04-08 12:24       ` Raslan Darawsheh
2021-04-08 14:04         ` Raslan Darawsheh
2021-04-08 14:08           ` Xueming(Steven) Li
2021-04-08 14:13             ` Raslan Darawsheh
2021-04-19  9:29               ` Raslan Darawsheh
2021-04-19 10:36                 ` Raslan Darawsheh
2021-01-18 15:26   ` [dpdk-dev] [PATCH v2 2/2] net/mlx5: support new global device syntax Xueming Li
2021-04-05 10:56     ` Slava Ovsiienko
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 0/8] net/mlx5: support SubFunction representor Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 1/8] common/mlx5: update representor name parsing Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 2/8] net/mlx5: support representor of sub function Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 3/8] net/mlx5: revert setting bonding representor to first PF Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 4/8] net/mlx5: refactor bonding representor probe Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 5/8] net/mlx5: support representor from multiple PFs Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 6/8] net/mlx5: save bonding member ports information Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 7/8] net/mlx5: fix setting VF default MAC through representor Xueming Li
2021-01-19  7:28   ` [dpdk-dev] [PATCH v4 8/8] net/mlx5: improve bonding xstats Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 0/9] net/mlx5: support SubFunction representor Xueming Li
2021-03-31  7:20     ` Raslan Darawsheh
2021-03-31  7:27       ` Xueming(Steven) Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 1/9] common/mlx5: sub-function representor port name parsing Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 2/9] net/mlx5: support representor of sub function Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 3/9] net/mlx5: revert setting bonding representor to first PF Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 4/9] net/mlx5: refactor bonding representor probe Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 5/9] net/mlx5: support list value of representor PF Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 6/9] net/mlx5: save bonding member ports information Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 7/9] net/mlx5: fix setting VF default MAC through representor Xueming Li
2021-03-31  7:46     ` Raslan Darawsheh
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 8/9] net/mlx5: improve xstats of bonding port Xueming Li
2021-03-28 13:48   ` [dpdk-dev] [PATCH v5 9/9] net/mlx5: probe host PF representor with SubFunction Xueming Li
2021-03-30  7:37     ` Slava Ovsiienko
2021-03-30 12:15   ` [dpdk-dev] [PATCH v3 0/5] eal: enable global device syntax by default Xueming Li
2021-03-31  8:23     ` Gaëtan Rivet
2021-03-30 12:15   ` [dpdk-dev] [PATCH v3 1/5] devargs: unify scratch buffer storage Xueming Li
2021-04-01  9:04     ` Kinsella, Ray
2021-03-30 12:15   ` [dpdk-dev] [PATCH v3 2/5] devargs: fix memory leak on parsing error Xueming Li
2021-03-30 12:15   ` [dpdk-dev] [PATCH v3 3/5] kvargs: add get by key function Xueming Li
2021-04-01  9:06     ` Kinsella, Ray
2021-04-01  9:10       ` Xueming(Steven) Li
2021-03-30 12:15   ` [dpdk-dev] [PATCH v3 4/5] bus: add device arguments name parsing API Xueming Li
2021-03-31 10:19     ` Thomas Monjalon
2021-04-01 15:13       ` Xueming(Steven) Li
2021-04-08 23:49         ` Thomas Monjalon
2021-03-30 12:15   ` [dpdk-dev] [PATCH v3 5/5] devargs: parse global device syntax Xueming Li
2021-04-10 14:23   ` [dpdk-dev] [PATCH v4 0/5] eal: enable global device syntax by default Xueming Li
2021-04-10 14:23   ` [dpdk-dev] [PATCH v4 1/5] devargs: unify scratch buffer storage Xueming Li
2021-04-10 19:59     ` Tal Shnaiderman
2021-04-12 12:07       ` Xueming(Steven) Li
2021-04-10 14:23   ` Xueming Li [this message]
2021-04-10 14:23   ` [dpdk-dev] [PATCH v4 3/5] kvargs: add get by key function Xueming Li
2021-04-12  6:52     ` Olivier Matz
2021-04-12 12:07       ` Xueming(Steven) Li
2021-04-12 21:18         ` Thomas Monjalon
2021-04-10 14:23   ` [dpdk-dev] [PATCH v4 4/5] bus: add device arguments name parsing API Xueming Li
2021-04-12 21:16     ` Thomas Monjalon
2021-04-12 23:37       ` Xueming(Steven) Li
2021-04-10 14:23   ` [dpdk-dev] [PATCH v4 5/5] devargs: parse global device syntax Xueming Li
2021-04-12 21:24     ` Thomas Monjalon
2021-04-12 23:47       ` Xueming(Steven) Li
2021-04-13  3:14   ` [dpdk-dev] [PATCH v5 0/5] eal: enable global device syntax by default Xueming Li
2021-04-14 19:49     ` Thomas Monjalon
2021-04-23 11:06       ` Kinsella, Ray
2021-04-23 11:39         ` Gaëtan Rivet
2021-04-23 12:35           ` Kinsella, Ray
2021-09-02 14:46       ` Thomas Monjalon
2021-04-13  3:14   ` [dpdk-dev] [PATCH v5 1/5] devargs: unify scratch buffer storage Xueming Li
2021-04-16  7:00     ` David Marchand
2021-04-16 12:32       ` Aaron Conole
2021-04-16 12:43         ` [dpdk-dev] [dpdklab] " Lincoln Lavoie
2021-04-16 12:58           ` Thomas Monjalon
2021-04-16 13:14             ` Lincoln Lavoie
2021-04-13  3:14   ` [dpdk-dev] [PATCH v5 2/5] devargs: fix memory leak on parsing error Xueming Li
2021-04-13  3:14   ` [dpdk-dev] [PATCH v5 3/5] kvargs: add get by key function Xueming Li
2021-04-13  3:14   ` [dpdk-dev] [PATCH v5 4/5] bus: add device arguments name parsing API Xueming Li
2021-04-13  3:14   ` [dpdk-dev] [PATCH v5 5/5] devargs: parse global device syntax Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 2/9] devargs: fix memory leak on parsing error Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 3/9] devargs: fix memory leak in legacy parser Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 4/9] devargs: fix buffer data memory leak Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 5/9] kvargs: add get by key function Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 6/9] devargs: support new global device syntax Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 7/9] bus/pci: add new global device syntax support Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 8/9] common/mlx5: support device global syntax Xueming Li
2020-12-18 15:16 ` [dpdk-dev] [RFC 9/9] net/mlx5: support new " Xueming Li

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