[PATCH] util: fix to check if target OS is linux in util/mmap-alloc.c

[Jingqi Liu]

The CONFIG_LINUX symbol is always undefined before including "qemu/osdep.h".
Use __linux__ to check if target OS is linux instead of CONFIG_LINUX.

Signed-off-by: Jingqi Liu <address@hidden>
---
 util/mmap-alloc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/util/mmap-alloc.c b/util/mmap-alloc.c
index 27dcccd8ec..8340540292 100644
--- a/util/mmap-alloc.c
+++ b/util/mmap-alloc.c
@@ -10,12 +10,12 @@
  * later.  See the COPYING file in the top-level directory.
  */
 
-#ifdef CONFIG_LINUX
+#ifdef __linux__
 #include <linux/mman.h>
-#else  /* !CONFIG_LINUX */
+#else
 #define MAP_SYNC              0x0
 #define MAP_SHARED_VALIDATE   0x0
-#endif /* CONFIG_LINUX */
+#endif
 
 #include "qemu/osdep.h"
 #include "qemu/mmap-alloc.h"
-- 
2.17.1