From: Christophe JAILLET Date: Fri, 18 Nov 2016 18:18:47 +0000 (+0100) Subject: drm/sun4i: Fix a return value in case of error X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0f0861e31e3c59ca4bc1ec59d99260cfca79740e;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/sun4i: Fix a return value in case of error If 'sun4i_backend_drm_format_to_layer()' does not return 0, then 'val' is left unmodified. As it is not initialized either, the return value can be anything. It is likely that returning the error code was expected here. As the only caller of 'sun4i_backend_update_layer_formats()' does not check the return value, this fix is purely theorical. Signed-off-by: Christophe JAILLET Signed-off-by: Maxime Ripard --- diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 2e08f969bb64..5bf1ea4d92fc 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -192,7 +192,7 @@ int sun4i_backend_update_layer_formats(struct sun4i_backend *backend, ret = sun4i_backend_drm_format_to_layer(plane, fb->pixel_format, &val); if (ret) { DRM_DEBUG_DRIVER("Invalid format\n"); - return val; + return ret; } regmap_update_bits(backend->regs, SUN4I_BACKEND_ATTCTL_REG1(layer),