[dpdk-dev] [PATCH] memalloc: fix variable shadowing

Anatoly Burakov anatoly.burakov at intel.com
Tue Jan 8 17:33:59 CET 2019


A local variable ``flags`` was shadowing another variable from outer
scope. Fix this by renaming the variable and make it const.

Fixes: c127be93f619 ("mem: support using memfd segments for in-memory mode")
Cc: stable at dpdk.org

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
 lib/librte_eal/linuxapp/eal/eal_memalloc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_memalloc.c b/lib/librte_eal/linuxapp/eal/eal_memalloc.c
index 60a0a680f..5b421f1d7 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memalloc.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memalloc.c
@@ -621,13 +621,13 @@ alloc_seg(struct rte_memseg *ms, void *addr, int socket_id,
 	int mmap_flags;
 
 	if (internal_config.in_memory && !memfd_create_supported) {
-		int pagesz_flag, flags;
-
-		pagesz_flag = pagesz_flags(alloc_sz);
-		flags = pagesz_flag | MAP_HUGETLB | MAP_FIXED |
+		const int in_memory_flags = MAP_HUGETLB | MAP_FIXED |
 				MAP_PRIVATE | MAP_ANONYMOUS;
+		int pagesz_flag;
+
+		pagesz_flag = pagesz_flags(alloc_sz);
 		fd = -1;
-		mmap_flags = flags;
+		mmap_flags = in_memory_flags | pagesz_flag;
 
 		/* single-file segments codepath will never be active
 		 * here because in-memory mode is incompatible with the
-- 
2.17.1


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