drm/exynos: Properly propagate return value in drm_iommu_attach_device()
authorMarek Szyprowski <m.szyprowski@samsung.com>
Mon, 1 Jun 2020 08:06:30 +0000 (17:06 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Jul 2020 07:33:59 +0000 (09:33 +0200)
commit43474d6022d8877c1326860772da76cf6cb73691
tree5ba8de543cf6216ef9af2bf2ac2e3686f7a3a51d
parentfa7408f3a20324fa72fc0f7a82c861c15fb1d080
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>
drivers/gpu/drm/exynos/exynos_drm_dma.c