From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Wed, 20 Jan 2016 09:53:52 +0000 Subject: [patch] drm: rockchip: signedness bug in dw_mipi_dsi_get_lane_bps() Message-Id: <20160120095352.GA19898@mwanda> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Mark Yao , Chris Zhong Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org "bpp" needs to be signed for the error handling to work. Fixes: 84e05408fcfe ('drm: rockchip: Support Synopsys DW MIPI DSI') Signed-off-by: Dan Carpenter diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index 7bfe243..c35e5af 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -461,7 +461,8 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi) { - unsigned int bpp, i, pre; + int bpp; + unsigned int i, pre; unsigned long mpclk, pllref, tmp; unsigned int m = 1, n = 1, target_mbps = 1000; unsigned int max_mbps = dptdin_map[ARRAY_SIZE(dptdin_map) - 1].max_mbps;