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From: Arnon Warshavsky <arnon@qwilt.com>
To: dev@dpdk.org
Cc: arnonw@qwilt.com, john.mcnamara@intel.com,
	Arnon Warshavsky <arnon@qwilt.com>
Subject: [dpdk-dev] [PATCH] eal: unmap undesired address upon config reattach failure
Date: Sun, 18 Aug 2019 09:47:34 +0300	[thread overview]
Message-ID: <1566110854-2669-1-git-send-email-arnon@qwilt.com> (raw)

Have rte_eal_config_reattach clean up the mapped address
which is a valid address but not the one intended.

Coverity issue: 343439
Signed-off-by: Arnon Warshavsky <arnon@qwilt.com>
---
 lib/librte_eal/linux/eal/eal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/librte_eal/linux/eal/eal.c b/lib/librte_eal/linux/eal/eal.c
index 946222c..fac69b9 100644
--- a/lib/librte_eal/linux/eal/eal.c
+++ b/lib/librte_eal/linux/eal/eal.c
@@ -438,6 +438,7 @@ enum rte_iova_mode
 			RTE_LOG(ERR, EAL, "Cannot mmap memory for rte_config at [%p], got [%p]"
 				" - please use '--base-virtaddr' option\n",
 				rte_mem_cfg_addr, mem_config);
+			munmap(mem_config, sizeof(struct rte_mem_config));
 			return -1;
 		}
 		RTE_LOG(ERR, EAL, "Cannot mmap memory for rte_config! error %i (%s)\n",
-- 
1.8.3.1


             reply	other threads:[~2019-08-18  6:47 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-18  6:47 Arnon Warshavsky [this message]
2019-08-19  8:27 ` David Marchand
2019-08-19 13:57 ` [dpdk-dev] [PATCH v2] " Arnon Warshavsky
2019-08-19 14:48   ` Burakov, Anatoly
2019-08-19 15:29   ` David Marchand
2019-10-15 18:39     ` David Marchand

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