shell: allocate enough memory for shsurf->ping_timer

diff --git a/src/shell.c b/src/shell.c
index 9c844b5..2001133 100644 (file)
--- a/src/shell.c
+++ b/src/shell.c
@@ -447,7 +447,7 @@ ping_handler(struct weston_surface *surface, uint32_t serial)
                return;
 
        if (!shsurf->ping_timer) {
-               shsurf->ping_timer = malloc(sizeof shsurf->ping_timer);
+               shsurf->ping_timer = malloc(sizeof *shsurf->ping_timer);
                if (!shsurf->ping_timer)
                        return;