From: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> [ Upstream commit b9c633882de4601015625f9136f248e9abca8a7a ] Propagate the proper error codes from the called functions instead of unconditionally returning 0. Reported-by: kbuild test robot <lkp@xxxxxxxxx> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Merge conflict so merged it manually. Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/exynos/exynos_drm_dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dma.c b/drivers/gpu/drm/exynos/exynos_drm_dma.c index 619f81435c1b2..58b89ec11b0eb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dma.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dma.c @@ -61,7 +61,7 @@ static int drm_iommu_attach_device(struct drm_device *drm_dev, struct device *subdrv_dev, void **dma_priv) { struct exynos_drm_private *priv = drm_dev->dev_private; - int ret; + int ret = 0; if (get_dma_ops(priv->dma_dev) != get_dma_ops(subdrv_dev)) { DRM_DEV_ERROR(subdrv_dev, "Device %s lacks support for IOMMU\n", @@ -92,7 +92,7 @@ static int drm_iommu_attach_device(struct drm_device *drm_dev, if (ret) clear_dma_max_seg_size(subdrv_dev); - return 0; + return ret; } /* -- 2.25.1