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SubjectRe: [PATCH] drm: sun4i: fix probe error handling
On Thu, May 05, 2016 at 10:10:52PM +0200, Arnd Bergmann wrote:
> gcc points out a possible uninitialized variable use in
> sun4i_dclk_create():
> drivers/gpu/drm/sun4i/sun4i_dotclock.c: In function 'sun4i_dclk_create':
> drivers/gpu/drm/sun4i/sun4i_dotclock.c:139:12: error: 'clk_name' may be used uninitialized in this function [-Werror=maybe-uninitialized]
> = clk_name;
> The warning only shows up when CONFIG_OF is disabled, and the
> property is never filled, but the same bug can show up even
> when CONFIG_OF is enabled but of_property_read_string_index
> returns another error.
> To fix it, this ensures that sun4i_dclk_create propagates
> any error from of_property_read_string_index.
> Signed-off-by: Arnd Bergmann <>
> Fixes: 9026e0d122ac ("drm: Add Allwinner A10 Display Engine support")

Applied, thanks


Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
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