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From: Dan Carpenter <dan.carpenter@oracle.com>
To: David Airlie <airlied@linux.ie>
Cc: kernel-janitors@vger.kernel.org,
	Emil Velikov <emil.l.velikov@gmail.com>,
	Ben Skeggs <bskeggs@redhat.com>,
	dri-devel@lists.freedesktop.org,
	Martin Peres <martin.peres@ensi-bourges.fr>
Subject: [patch] drm/nv50/pm: signedness bug in nv50_pm_clocks_pre()
Date: Wed, 04 Jan 2012 07:20:47 +0000	[thread overview]
Message-ID: <20120104072047.GE30978@elgon.mountain> (raw)

calc_mclk() returns zero on success and negative on failure but clk is
a u32.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c
index 0393721..3508de9 100644
--- a/drivers/gpu/drm/nouveau/nv50_pm.c
+++ b/drivers/gpu/drm/nouveau/nv50_pm.c
@@ -540,7 +540,7 @@ nv50_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl)
 	info->mclk_hwsq.len = 0;
 	if (perflvl->memory) {
 		clk = calc_mclk(dev, perflvl->memory, &info->mclk_hwsq);
-		if (clk < 0) {
+		if ((int)clk < 0) {
 			ret = clk;
 			goto error;
 		}

             reply	other threads:[~2012-01-04  7:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-04  7:20 Dan Carpenter [this message]
2012-01-09 23:28 ` [patch] drm/nv50/pm: signedness bug in nv50_pm_clocks_pre() Martin Peres
2012-01-10  5:39   ` Dan Carpenter
2012-01-10  8:05     ` Martin Peres

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