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From: David Marchand <david.marchand@6wind.com>
To: Tetsuya Mukawa <mukawa@igel.co.jp>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v8 03/12] eal: Fix memory leaks and needless increment of pci_map_addr
Date: Tue, 7 Jul 2015 10:04:25 +0200	[thread overview]
Message-ID: <CALwxeUvnqbw7-RU7ujs+WVhmwJQee=mRiRQtjcTKK6YSKNx=wA@mail.gmail.com> (raw)
In-Reply-To: <1436163861-3025-4-git-send-email-mukawa@igel.co.jp>

Hello Tetsuya,

Little comment below for this patch.

On Mon, Jul 6, 2015 at 8:24 AM, Tetsuya Mukawa <mukawa@igel.co.jp> wrote:

>
> diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c
> b/lib/librte_eal/bsdapp/eal/eal_pci.c
> index a63d450..63758c7 100644
> --- a/lib/librte_eal/bsdapp/eal/eal_pci.c
> +++ b/lib/librte_eal/bsdapp/eal/eal_pci.c
> @@ -202,7 +202,7 @@ pci_uio_map_resource(struct rte_pci_device *dev)
>         uint64_t offset;
>         uint64_t pagesz;
>         struct rte_pci_addr *loc = &dev->addr;
> -       struct uio_resource *uio_res;
> +       struct uio_resource *uio_res = NULL;
>         struct uio_res_list *uio_res_list =
>                         RTE_TAILQ_CAST(rte_uio_tailq.head, uio_res_list);
>         struct uio_map *maps;
> [snip]
> @@ -275,6 +274,16 @@ pci_uio_map_resource(struct rte_pci_device *dev)
>         TAILQ_INSERT_TAIL(uio_res_list, uio_res, next);
>
>         return 0;
> +
> +error:
> +       if (uio_res)
> +               rte_free(uio_res);
>

As long as uio_res is initialized to NULL, no need to check.
rte_free() behaves the same as free().


diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
> b/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
> index 37dc936..4e50533 100644
> --- a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
> +++ b/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
> [snip]
> @@ -400,6 +397,25 @@ pci_uio_map_resource(struct rte_pci_device *dev)
>         TAILQ_INSERT_TAIL(uio_res_list, uio_res, next);
>
>         return 0;
> +
> +error:
> +       for (i = 0; i < map_idx; i++) {
> +               pci_unmap_resource(uio_res->maps[i].addr,
> +                               (size_t)uio_res->maps[i].size);
> +               rte_free(maps[i].path);
> +       }
> +       if (uio_res)
> +               rte_free(uio_res);
>

Idem.


With this,
Acked-by: David Marchand <david.marchand@6wind.com>

-- 
David Marchand

  reply	other threads:[~2015-07-07  8:04 UTC|newest]

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-19  5:54 [dpdk-dev] [PATCH v4 0/5] Clean up pci uio implementations Tetsuya Mukawa
2015-05-19  5:54 ` [dpdk-dev] [PATCH v4 1/5] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-05-19 14:51   ` Stephen Hemminger
2015-06-25  3:19   ` [dpdk-dev] [PATCH v5 0/5] Clean up pci uio implementations Tetsuya Mukawa
2015-06-25  3:19     ` [dpdk-dev] [PATCH v5 1/5] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-06-25  9:16       ` David Marchand
2015-06-25  3:19     ` [dpdk-dev] [PATCH v5 2/5] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-06-25  3:19     ` [dpdk-dev] [PATCH v5 3/5] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-25  9:16       ` David Marchand
2015-06-26  1:30         ` Tetsuya Mukawa
2015-06-25  9:18       ` David Marchand
2015-06-26  1:35         ` Tetsuya Mukawa
2015-06-26  8:18       ` [dpdk-dev] [PATCH v6 0/5] Clean up pci uio implementations Tetsuya Mukawa
2015-06-26  8:18         ` [dpdk-dev] [PATCH v6 1/5] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-06-26 14:30           ` Iremonger, Bernard
2015-06-26  8:18         ` [dpdk-dev] [PATCH v6 2/5] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-06-26 14:32           ` Iremonger, Bernard
2015-06-26  8:18         ` [dpdk-dev] [PATCH v6 3/5] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-26 14:34           ` Iremonger, Bernard
2015-06-30  8:24           ` [dpdk-dev] [PATCH v7 00/12] Clean up pci uio implementations Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 01/12] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 02/12] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 03/12] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-30 12:33               ` Iremonger, Bernard
2015-07-02  9:57               ` Bruce Richardson
2015-07-03  8:51                 ` Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 04/12] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-06-30 12:36               ` Iremonger, Bernard
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 05/12] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-06-30 12:51               ` Iremonger, Bernard
2015-07-02 10:20               ` Bruce Richardson
2015-07-03  8:51                 ` Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 06/12] eal: Add pci_uio_alloc_resource() Tetsuya Mukawa
2015-07-02 10:46               ` Bruce Richardson
2015-07-03  8:52                 ` Tetsuya Mukawa
2015-07-03  9:45                   ` Bruce Richardson
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 07/12] eal: Add pci_uio_map_resource_by_index() Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 08/12] eal: Consolidate pci_map and mapped_pci_resource of linuxapp and bsdapp Tetsuya Mukawa
2015-06-30 14:25               ` Iremonger, Bernard
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 09/12] eal: Consolidate pci_map/unmap_resource() " Tetsuya Mukawa
2015-06-30 14:28               ` Iremonger, Bernard
2015-07-02 11:11               ` Bruce Richardson
2015-07-03  8:52                 ` Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 10/12] eal: Consolidate pci uio functions " Tetsuya Mukawa
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 11/12] eal: Consolidate pci_map/unmap_device() " Tetsuya Mukawa
2015-06-30 14:45               ` Iremonger, Bernard
2015-07-06  6:24               ` [dpdk-dev] [PATCH v8 00/12] Clean up pci uio implementations Tetsuya Mukawa
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 01/12] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-07-07  8:04                   ` David Marchand
2015-07-08  2:42                     ` Tetsuya Mukawa
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 02/12] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-07-07  8:04                   ` David Marchand
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 03/12] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-07-07  8:04                   ` David Marchand [this message]
2015-07-08  2:42                     ` Tetsuya Mukawa
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 04/12] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-07-07  8:04                   ` David Marchand
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 05/12] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-07-07  8:04                   ` David Marchand
2015-07-08  2:42                     ` Tetsuya Mukawa
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 06/12] eal: Add pci_uio_alloc_resource() Tetsuya Mukawa
2015-07-07  8:04                   ` David Marchand
2015-07-08  2:42                     ` Tetsuya Mukawa
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 07/12] eal: Add pci_uio_map_resource_by_index() Tetsuya Mukawa
2015-07-07  8:05                   ` David Marchand
2015-07-08  2:42                     ` Tetsuya Mukawa
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 08/12] eal: Consolidate pci_map and mapped_pci_resource of linuxapp and bsdapp Tetsuya Mukawa
2015-07-07  8:05                   ` David Marchand
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 09/12] eal: Consolidate pci_map/unmap_resource() " Tetsuya Mukawa
2015-07-07  8:05                   ` David Marchand
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 10/12] eal: Consolidate pci uio functions " Tetsuya Mukawa
2015-07-07  8:07                   ` David Marchand
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 11/12] eal: Consolidate pci_map/unmap_device() " Tetsuya Mukawa
2015-07-07  8:06                   ` David Marchand
2015-07-08  2:42                     ` Tetsuya Mukawa
2015-07-08  8:27                       ` Thomas Monjalon
2015-07-08  8:50                         ` Tetsuya Mukawa
2015-07-06  6:24                 ` [dpdk-dev] [PATCH v8 12/12] eal: Consolidate rte_eal_pci_probe/close_one_driver() " Tetsuya Mukawa
2015-07-07  8:07                   ` David Marchand
2015-07-08 10:34               ` [dpdk-dev] [PATCH v9 00/12] Clean up pci uio implementations Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 01/12] eal: Fix coding style of eal_pci.c and eal_pci_uio.c Tetsuya Mukawa
2015-07-08 16:09                   ` Stephen Hemminger
2015-07-08 20:30                     ` Thomas Monjalon
2015-07-09  1:09                       ` Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 02/12] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 03/12] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 04/12] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 05/12] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 06/12] eal: Add pci_uio_alloc/free_resource() Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 07/12] eal: Add pci_uio_map_resource_by_index() Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 08/12] eal: Consolidate pci_map and mapped_pci_resource of linuxapp and bsdapp Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 09/12] eal: Consolidate pci_map/unmap_resource() " Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 10/12] eal: Consolidate pci uio functions " Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 11/12] eal: Consolidate pci_map/unmap_device() " Tetsuya Mukawa
2015-07-08 10:34                 ` [dpdk-dev] [PATCH v9 12/12] eal: Consolidate rte_eal_pci_probe/close_one_driver() " Tetsuya Mukawa
2015-07-08 12:36                 ` [dpdk-dev] [PATCH v9 00/12] Clean up pci uio implementations David Marchand
2015-07-08 21:52                   ` Thomas Monjalon
2015-06-30  8:24             ` [dpdk-dev] [PATCH v7 12/12] eal: Consolidate rte_eal_pci_probe/close_one_driver() of linuxapp and bsdapp Tetsuya Mukawa
2015-06-30 14:56               ` Iremonger, Bernard
2015-07-01  6:39                 ` Tetsuya Mukawa
2015-07-02 11:32             ` [dpdk-dev] [PATCH v7 00/12] Clean up pci uio implementations Bruce Richardson
2015-07-03  8:52               ` Tetsuya Mukawa
2015-06-26  8:18         ` [dpdk-dev] [PATCH v6 4/5] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-06-26 14:36           ` Iremonger, Bernard
2015-06-26  8:18         ` [dpdk-dev] [PATCH v6 5/5] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-06-26 14:42           ` Iremonger, Bernard
2015-06-25  3:19     ` [dpdk-dev] [PATCH v5 4/5] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-06-25  9:19       ` David Marchand
2015-06-25  3:19     ` [dpdk-dev] [PATCH v5 5/5] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-05-19  5:54 ` [dpdk-dev] [PATCH v4 2/5] eal: Close file descriptor of uio configuration Tetsuya Mukawa
2015-05-19 16:02   ` Stephen Hemminger
2015-05-19  5:54 ` [dpdk-dev] [PATCH v4 3/5] eal: Fix memory leaks and needless increment of pci_map_addr Tetsuya Mukawa
2015-06-15 14:29   ` Iremonger, Bernard
2015-06-15 15:05     ` Iremonger, Bernard
2015-05-19  5:54 ` [dpdk-dev] [PATCH v4 4/5] eal/bsdapp: Change names of pci related data structure Tetsuya Mukawa
2015-05-19  5:54 ` [dpdk-dev] [PATCH v4 5/5] eal: Fix uio mapping differences between linuxapp and bsdapp Tetsuya Mukawa
2015-06-15 14:31   ` Iremonger, Bernard
2015-06-15 15:08     ` Iremonger, Bernard
2015-06-15 15:17       ` Thomas Monjalon
2015-05-19  5:57 ` [dpdk-dev] [PATCH v4 0/5] Clean up pci uio implementations Tetsuya Mukawa

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