From 978659d34f4e0ec1bb2a1e2eebb137b925f4ca43 Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Wed, 23 Sep 2020 12:54:10 -0700
Subject: [PATCH] [linux-kernel] Fix unused variable warnings with malloc,
 calloc, and free

---
 contrib/linux-kernel/zstd_deps.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/contrib/linux-kernel/zstd_deps.h b/contrib/linux-kernel/zstd_deps.h
index d4ea0b2a4..44ec0328f 100644
--- a/contrib/linux-kernel/zstd_deps.h
+++ b/contrib/linux-kernel/zstd_deps.h
@@ -56,9 +56,9 @@ typedef int64_t  S64;
 #ifndef ZSTD_DEPS_MALLOC
 #define ZSTD_DEPS_MALLOC
 
-#define ZSTD_malloc(s) (NULL)
-#define ZSTD_free(p) ((void)0)
-#define ZSTD_calloc(n,s) (NULL)
+#define ZSTD_malloc(s) ({ (void)(s); NULL; })
+#define ZSTD_free(p) ((void)(p))
+#define ZSTD_calloc(n,s) ({ (void)(n); (void)(s); NULL; })
 
 #endif /* ZSTD_DEPS_MALLOC */
 #endif /* ZSTD_DEPS_NEED_MALLOC */