linux-kernel - [PATCH 1/7] video: fbdev: riva: delete double assignment

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Date:	Sat, 23 Aug 2014 20:33:22 +0200
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Antonino Daplas <adaplas@...il.com>
Cc:	joe@...ches.com, kernel-janitors@...r.kernel.org,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/7] video: fbdev: riva: delete double assignment

From: Julia Lawall <Julia.Lawall@...6.fr>

Delete successive assignments to the same location.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression i;
@@

*i = ...;
 i = ...;
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
The patches in this series do not depend on each other.

 drivers/video/fbdev/riva/riva_hw.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/video/fbdev/riva/riva_hw.c b/drivers/video/fbdev/riva/riva_hw.c
index 78fdbf5..8bdf37f 100644
--- a/drivers/video/fbdev/riva/riva_hw.c
+++ b/drivers/video/fbdev/riva/riva_hw.c
@@ -430,7 +430,6 @@ static char nv3_arb(nv3_fifo_info * res_info, nv3_sim_state * state,  nv3_arb_in
     int mmisses, gmisses, vmisses, eburst_size, mburst_size;
     int refresh_cycle;
 
-    refresh_cycle = 0;
     refresh_cycle = 2*(state->mclk_khz/state->pclk_khz) + 5;
     mmisses = 2;
     if (state->mem_aligned) gmisses = 2;

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