[PATCH 1/3] shell:slight coding style refine

[juan.j.zhao at linux.intel.com]

From: Juan Zhao <juan.j.zhao at linux.intel.com>

combine several "if" conditions

Signed-off-by: Juan Zhao <juan.j.zhao at linux.intel.com>
---
 src/shell.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/shell.c b/src/shell.c
index 40cef14..613304f 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -913,12 +913,9 @@ ping_handler(struct weston_surface *surface, uint32_t serial)
 	struct wl_event_loop *loop;
 	int ping_timeout = 200;
 
-	if (!shsurf)
-		return;
-	if (!shsurf->resource.client)
-		return;
-
-	if (shsurf->surface == shsurf->shell->grab_surface)
+	if (!shsurf ||
+	    !shsurf->resource.client ||
+	    (shsurf->surface == shsurf->shell->grab_surface))
 		return;
 
 	if (!shsurf->ping_timer) {
-- 
1.7.11