* [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path
@ 2020-09-29 3:31 wangyunjian
2020-10-20 14:10 ` Thomas Monjalon
2020-10-22 20:06 ` David Marchand
0 siblings, 2 replies; 4+ messages in thread
From: wangyunjian @ 2020-09-29 3:31 UTC (permalink / raw)
To: dev
Cc: byron.marohn, yipeng1.wang, jerry.lilijun, xudingke,
Yunjian Wang, stable
From: Yunjian Wang <wangyunjian@huawei.com>
In rte_efd_create() allocated memory for tailq entry, we should
free it when error happens, otherwise it will lead to memory leak.
Fixes: 56b6ef874f80 ("efd: new Elastic Flow Distributor library")
Cc: stable@dpdk.org
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
lib/librte_efd/rte_efd.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c
index 6a799556d..0aa120f48 100644
--- a/lib/librte_efd/rte_efd.c
+++ b/lib/librte_efd/rte_efd.c
@@ -707,6 +707,7 @@ rte_efd_create(const char *name, uint32_t max_num_rules, uint32_t key_len,
error_unlock_exit:
rte_mcfg_tailq_write_unlock();
+ rte_free(te);
rte_efd_free(table);
return NULL;
--
2.23.0
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path
2020-09-29 3:31 [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path wangyunjian
@ 2020-10-20 14:10 ` Thomas Monjalon
2020-10-20 20:24 ` Wang, Yipeng1
2020-10-22 20:06 ` David Marchand
1 sibling, 1 reply; 4+ messages in thread
From: Thomas Monjalon @ 2020-10-20 14:10 UTC (permalink / raw)
To: byron.marohn, yipeng1.wang
Cc: dev, jerry.lilijun, xudingke, Yunjian Wang, stable, wangyunjian
Byron, Yipeng,
Please could you review?
Thanks
29/09/2020 05:31, wangyunjian:
> From: Yunjian Wang <wangyunjian@huawei.com>
>
> In rte_efd_create() allocated memory for tailq entry, we should
> free it when error happens, otherwise it will lead to memory leak.
>
> Fixes: 56b6ef874f80 ("efd: new Elastic Flow Distributor library")
> Cc: stable@dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
> ---
> lib/librte_efd/rte_efd.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c
> index 6a799556d..0aa120f48 100644
> --- a/lib/librte_efd/rte_efd.c
> +++ b/lib/librte_efd/rte_efd.c
> @@ -707,6 +707,7 @@ rte_efd_create(const char *name, uint32_t max_num_rules, uint32_t key_len,
>
> error_unlock_exit:
> rte_mcfg_tailq_write_unlock();
> + rte_free(te);
> rte_efd_free(table);
>
> return NULL;
>
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path
2020-10-20 14:10 ` Thomas Monjalon
@ 2020-10-20 20:24 ` Wang, Yipeng1
0 siblings, 0 replies; 4+ messages in thread
From: Wang, Yipeng1 @ 2020-10-20 20:24 UTC (permalink / raw)
To: Thomas Monjalon, Marohn, Byron
Cc: dev, jerry.lilijun, xudingke, Yunjian Wang, stable, wangyunjian
> -----Original Message-----
> From: Thomas Monjalon <thomas@monjalon.net>
> Sent: Tuesday, October 20, 2020 7:11 AM
> To: Marohn, Byron <byron.marohn@intel.com>; Wang, Yipeng1
> <yipeng1.wang@intel.com>
> Cc: dev@dpdk.org; jerry.lilijun@huawei.com; xudingke@huawei.com; Yunjian
> Wang <wangyunjian@huawei.com>; stable@dpdk.org; wangyunjian
> <wangyunjian@huawei.com>
> Subject: Re: [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path
>
> Byron, Yipeng,
> Please could you review?
> Thanks
>
> 29/09/2020 05:31, wangyunjian:
> > From: Yunjian Wang <wangyunjian@huawei.com>
> >
> > In rte_efd_create() allocated memory for tailq entry, we should free
> > it when error happens, otherwise it will lead to memory leak.
> >
> > Fixes: 56b6ef874f80 ("efd: new Elastic Flow Distributor library")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
> > ---
> > lib/librte_efd/rte_efd.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c index
> > 6a799556d..0aa120f48 100644
> > --- a/lib/librte_efd/rte_efd.c
> > +++ b/lib/librte_efd/rte_efd.c
> > @@ -707,6 +707,7 @@ rte_efd_create(const char *name, uint32_t
> > max_num_rules, uint32_t key_len,
> >
> > error_unlock_exit:
> > rte_mcfg_tailq_write_unlock();
> > + rte_free(te);
> > rte_efd_free(table);
> >
> > return NULL;
> >
[Wang, Yipeng]
Thanks for the patch and sorry for the delay. The code looks good.
Acked-by: Yipeng Wang <yipeng1.wang@intel.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path
2020-09-29 3:31 [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path wangyunjian
2020-10-20 14:10 ` Thomas Monjalon
@ 2020-10-22 20:06 ` David Marchand
1 sibling, 0 replies; 4+ messages in thread
From: David Marchand @ 2020-10-22 20:06 UTC (permalink / raw)
To: wangyunjian
Cc: dev, Byron Marohn, Wang, Yipeng1, Lilijun (Jerry), xudingke, dpdk stable
On Tue, Sep 29, 2020 at 5:32 AM wangyunjian <wangyunjian@huawei.com> wrote:
>
> From: Yunjian Wang <wangyunjian@huawei.com>
>
> In rte_efd_create() allocated memory for tailq entry, we should
> free it when error happens, otherwise it will lead to memory leak.
>
> Fixes: 56b6ef874f80 ("efd: new Elastic Flow Distributor library")
> Cc: stable@dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Acked-by: Yipeng Wang <yipeng1.wang@intel.com>
Applied, thanks.
--
David Marchand
^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-09-29 3:31 [dpdk-dev] [PATCH] efd: fix tailq entry leak in error path wangyunjian
2020-10-20 14:10 ` Thomas Monjalon
2020-10-20 20:24 ` Wang, Yipeng1
2020-10-22 20:06 ` David Marchand
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