drm/rockchip: Fix uninitialized use of ret

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If there are no children for lvds, ret is used uninitialized. This patch
initializes ret and returns an error if the port has no children.

Fixes: 34cc0aa254 ("drm/rockchip: Add support for Rockchip Soc LVDS")
Cc: Mark Yao <mark.yao@rock-chips.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Sandy Huang <hjc@rock-chips.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Reviewed-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170921001408.1839-1-seanpaul@chromium.org

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This commit is contained in:

Sean Paul 2017-09-20 17:13:56 -07:00

parent 531beb067c

commit 6bf2e0324b

1 changed files with 8 additions and 3 deletions

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drivers/gpu/drm/rockchip/rockchip_lvds.c

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