[dpdk-dev] [PATCH] eal: unmap undesired address upon config reattach failure

Arnon Warshavsky arnon at qwilt.com
Sun Aug 18 08:47:34 CEST 2019

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 at 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",

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