summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMarek Szyprowski <m.szyprowski@samsung.com>2020-06-01 11:06:30 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-22 10:32:51 +0300
commitf886b67c6b28d79a5c7b2e081e760662898813ae (patch)
tree8796d4d8cec0efff55551772ecfb2b5763e49f04
parent0885be75f1be7fb7646ae5be0f3ab84b32d47125 (diff)
downloadlinux-f886b67c6b28d79a5c7b2e081e760662898813ae.tar.xz
drm/exynos: Properly propagate return value in drm_iommu_attach_device()
[ Upstream commit b9c633882de4601015625f9136f248e9abca8a7a ] Propagate the proper error codes from the called functions instead of unconditionally returning 0. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Merge conflict so merged it manually. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dma.c4
1 files 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 619f81435c1b..58b89ec11b0e 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;
}
/*