From: "Wang, Yipeng1" <yipeng1.wang@intel.com>
To: "Burakov, Anatoly" <anatoly.burakov@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "Gobriel, Sameh" <sameh.gobriel@intel.com>
Subject: Re: [dpdk-dev] [PATCH] member: fix memory leak on error
Date: Fri, 22 Dec 2017 18:33:09 +0000 [thread overview]
Message-ID: <D2C4A16CA39F7F4E8E384D204491D7A6445B26CC@ORSMSX105.amr.corp.intel.com> (raw)
In-Reply-To: <08f1736c-e3ce-1dfd-02a1-032f990472d1@intel.com>
>-----Original Message-----
>From: Burakov, Anatoly
>Yep, i can see that now. Didn't think to look inside rte_member_free()
>:/ However, you're creating a race condition there - you're unlocking a
>tailq, and then locking (and unlocking) it again inside
>rte_member_free() - it probably needs _thread_unsafe() functions that
>you can call from behind the lock.
>
>--
Thank you Anatoly,
I realize that rte_member_free does not do anything good here. As a fix, I think the following should work. Is there any other concern?
diff --git a/lib/librte_member/rte_member.c b/lib/librte_member/rte_member.c
index cc9ea84..25934e8 100644
--- a/lib/librte_member/rte_member.c
+++ b/lib/librte_member/rte_member.c
@@ -192,7 +192,8 @@ rte_member_create(const struct rte_member_parameters *params)
error_unlock_exit:
rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
- rte_member_free(setsum);
+ rte_free(te);
+ rte_free(setsum);
return NULL;
}
Thank you!
next prev parent reply other threads:[~2017-12-22 18:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 17:50 Anatoly Burakov
2017-12-22 0:01 ` Wang, Yipeng1
2017-12-22 9:20 ` Burakov, Anatoly
2017-12-22 18:33 ` Wang, Yipeng1 [this message]
2017-12-23 11:55 ` Burakov, Anatoly
2017-12-26 17:23 ` Wang, Yipeng1
2017-12-22 0:07 ` Wang, Yipeng1
2018-01-12 17:23 ` [dpdk-dev] [PATCH v2] " Anatoly Burakov
2018-01-16 17:14 ` Wang, Yipeng1
2018-01-18 23:40 ` Thomas Monjalon
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