linux-kernel - [PATCH linux-next] intelfb: intelfbhw_mode_to_hw: Silence m1/m2 'may be used uninitialized' warnings

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Date:	Sun, 10 Mar 2013 11:53:31 -0600
From:	Tim Gardner <tim.gardner@...onical.com>
To:	linux-kernel@...r.kernel.org
Cc:	Tim Gardner <tim.gardner@...onical.com>,
	Maik Broemme <mbroemme@...sserver.de>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	linux-fbdev@...r.kernel.org
Subject: [PATCH linux-next] intelfb: intelfbhw_mode_to_hw: Silence m1/m2 'may be used uninitialized' warnings

drivers/video/intelfb/intelfbhw.c: In function 'intelfbhw_mode_to_hw':
drivers/video/intelfb/intelfbhw.c:1144:35: warning: 'm2' may be used uninitialized in this function [-Wuninitialized]
drivers/video/intelfb/intelfbhw.c:1145:13: warning: 'm1' may be used uninitialized in this function [-Wuninitialized]

gcc version 4.6.3

Cc: Maik Broemme <mbroemme@...sserver.de>
Cc: Florian Tobias Schandinat <FlorianSchandinat@....de>
Cc: linux-fbdev@...r.kernel.org
Signed-off-by: Tim Gardner <tim.gardner@...onical.com>
---
 drivers/video/intelfb/intelfbhw.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index fbad61d..cb05307 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -935,7 +935,7 @@ static int splitp(int index, unsigned int p, unsigned int *retp1,
 static int calc_pll_params(int index, int clock, u32 *retm1, u32 *retm2,
 			   u32 *retn, u32 *retp1, u32 *retp2, u32 *retclock)
 {
-	u32 m1, m2, n, p1, p2, n1, testm;
+	u32 m1 = 0, m2 = 0, n, p1, p2, n1, testm;
 	u32 f_vco, p, p_best = 0, m, f_out = 0;
 	u32 err_max, err_target, err_best = 10000000;
 	u32 n_best = 0, m_best = 0, f_best, f_err;
-- 
1.7.9.5

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