Re: [PATCH v1] drm/tegra: gem: Correct iommu_map_sg() error checking

2017-12-19 Thread kbuild test robot
Hi Dmitry, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tegra/for-next] [also build test WARNING on v4.15-rc4 next-20171220] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

[PATCH v1] drm/tegra: gem: Correct iommu_map_sg() error checking

2017-12-17 Thread Dmitry Osipenko
iommu_map_sg() doesn't return a error value, but a size of the requested IOMMU mapping or zero in case of error. Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/tegra/gem.c | 13 ++--- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git