video: waylandmouse: handle mmap error properly

Signed-off-by: Ryo Munakata <ryomnktml@gmail.com>
libsdl-org · Sep 9, 2014 · 7798b4d · 7798b4d
1 parent 5f39ea8
commit 7798b4d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/video/wayland/SDL_waylandmouse.c b/src/video/wayland/SDL_waylandmouse.c
@@ -126,7 +126,7 @@ create_buffer_from_shm(Wayland_CursorData *d,
                        MAP_SHARED,
                        shm_fd,
                        0);
-    if (data == MAP_FAILED) {
+    if (d->shm_data == MAP_FAILED) {
         d->shm_data = NULL;
         fprintf (stderr, "mmap () failed\n");
         close (shm_fd);