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

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

[Anatoly Burakov]

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@dpdk.org

Signed-off-by: Anatoly Burakov <anatoly.burakov@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

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

[Thomas Monjalon]

08/01/2019 17:33, Anatoly Burakov:
> 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@dpdk.org
> 
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>

Applied, thanks