Commit 7af5cdb1 authored Jun 26, 2019 by Brian Masney Committed by Sean Paul Jul 22, 2019

drm/msm: correct NULL pointer dereference in context_init



Correct attempted NULL pointer dereference in context_init() when
running without an IOMMU.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Brian Masney <masneyb@onstation.org>
Fixes: 295b22ae ("drm/msm: Pass the MMU domain index in struct msm_file_private")
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190627020515.5660-1-masneyb@onstation.org

parent cfb71566

drivers/gpu/drm/msm/msm_drv.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -619,7 +619,7 @@ static int context_init(struct drm_device dev, struct drm_file file)

	msm_submitqueue_init(dev, ctx);		msm_submitqueue_init(dev, ctx);

	ctx->aspace = priv->gpu->aspace;		ctx->aspace = priv->gpu ? priv->gpu->aspace : NULL;
	file->driver_priv = ctx;		file->driver_priv = ctx;

	return 0;		return 0;

Admin message