From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by dpdk.org (Postfix) with ESMTP id 2CD375595 for ; Wed, 16 Mar 2016 15:16:44 +0100 (CET) Received: from 1.general.mandel.uk.vpn ([10.172.196.172] helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1agCFf-0007ks-Rp; Wed, 16 Mar 2016 14:16:43 +0000 From: Christian Ehrhardt To: christian.ehrhardt@canonical.com, bruce.richardson@intel.com, dev@dpdk.org, olivier.matz@6wind.com Date: Wed, 16 Mar 2016 15:16:30 +0100 Message-Id: <1458137793-25826-3-git-send-email-christian.ehrhardt@canonical.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1458137793-25826-1-git-send-email-christian.ehrhardt@canonical.com> References: <1458137793-25826-1-git-send-email-christian.ehrhardt@canonical.com> Subject: [dpdk-dev] [PATCH 2/5] lpm6: fix missing free of rules_tbl and lpm X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Mar 2016 14:16:44 -0000 lpm6 autotests failed with the default alloc of 512M Memory. While >=2500M was a workaround it became clear while debugging that it had a leak. One could see a lot of output like: LPM Test tests6[i]: FAIL LPM: LPM memory allocation failed It turned out that in rte_lpm6_free - lpm might not be freed if it didn't find a te (early return) - lpm->rules_tbl was not freed ever Acked-by: Bruce Richardson Signed-off-by: Christian Ehrhardt --- lib/librte_lpm/rte_lpm6.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/lib/librte_lpm/rte_lpm6.c b/lib/librte_lpm/rte_lpm6.c index 48931cc..5abfc78 100644 --- a/lib/librte_lpm/rte_lpm6.c +++ b/lib/librte_lpm/rte_lpm6.c @@ -278,15 +278,14 @@ rte_lpm6_free(struct rte_lpm6 *lpm) if (te->data == (void *) lpm) break; } - if (te == NULL) { - rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); - return; - } - TAILQ_REMOVE(lpm_list, te, next); + if (te != NULL) { + TAILQ_REMOVE(lpm_list, te, next); + } rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); + rte_free(lpm->rules_tbl); rte_free(lpm); rte_free(te); } -- 2.7.0