[dpdk-stable] [PATCH] mem: fix incorrect munmap in error unwind

[Stephen Hemminger <stephen@networkplumber.org>]

The loop to unwind existing mmaps was only unmapping the
first segment.

Also, remove obvious redundant assignment.

Fixes: 66cc45e293ed ("mem: replace memseg with memseg lists")
Cc: anatoly.burakov@intel.com
Cc: stable@dpdk.org
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/librte_eal/linux/eal/eal_memory.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/librte_eal/linux/eal/eal_memory.c b/lib/librte_eal/linux/eal/eal_memory.c
index 43e4ffc757bd..cf5b2433614b 100644
--- a/lib/librte_eal/linux/eal/eal_memory.c
+++ b/lib/librte_eal/linux/eal/eal_memory.c
@@ -1967,9 +1967,8 @@ eal_legacy_hugepage_attach(void)
 	close(fd);
 error:
 	/* map all segments into memory to make sure we get the addrs */
-	cur_seg = 0;
 	for (cur_seg = 0; cur_seg < i; cur_seg++) {
-		struct hugepage_file *hf = &hp[i];
+		struct hugepage_file *hf = &hp[cur_seg];
 		size_t map_sz = hf->size;
 		void *map_addr = hf->final_va;
 
-- 
2.20.1