Re: [PATCH] drm/exynos: iommu: fix potential NULL pointer dereference

2015-07-02 Thread Joonyoung Shim
On 06/29/2015 03:35 PM, Hyungwon Hwang wrote: Dear Marek, On Thu, 25 Jun 2015 15:10:12 +0200 Marek Szyprowski m.szyprow...@samsung.com wrote: Some drivers (like Exynos mixer) calls drm_iommu_attach_device_if_possible before registering crtc, so additional check for NULL crtc pointer is

Re: [PATCH] drm/exynos: iommu: fix potential NULL pointer dereference

2015-06-29 Thread Hyungwon Hwang
Dear Marek, On Thu, 25 Jun 2015 15:10:12 +0200 Marek Szyprowski m.szyprow...@samsung.com wrote: Some drivers (like Exynos mixer) calls drm_iommu_attach_device_if_possible before registering crtc, so additional check for NULL crtc pointer is required. It seems reasonable. Reviewed-by:

[PATCH] drm/exynos: iommu: fix potential NULL pointer dereference

2015-06-25 Thread Marek Szyprowski
Some drivers (like Exynos mixer) calls drm_iommu_attach_device_if_possible before registering crtc, so additional check for NULL crtc pointer is required. Signed-off-by: Marek Szyprowski m.szyprow...@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_iommu.c | 2 +- 1 file changed, 1