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openSUSE:Leap:42.3:Update
drm.7971
0132-drm-msm-Verify-that-MSM_SUBMIT_BO_FLAGS-ar...
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File 0132-drm-msm-Verify-that-MSM_SUBMIT_BO_FLAGS-are-set.patch of Package drm.7971
From 7d33b41d34f57547e66c27e96075f8210a47b1b5 Mon Sep 17 00:00:00 2001 From: Jordan Crouse <jcrouse@codeaurora.org> Date: Tue, 20 Dec 2016 08:54:31 -0700 Subject: [PATCH] drm/msm: Verify that MSM_SUBMIT_BO_FLAGS are set References: bsc#1041744 [ Upstream commit a6cb3b864b21b7345f824a4faa12b723c8aaf099 ] For every submission buffer object one of MSM_SUBMIT_BO_WRITE and MSM_SUBMIT_BO_READ must be set (and nothing else). If we allowed zero then the buffer object would never get queued to be unreferenced. Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Takashi Iwai <tiwai@suse.de> --- drivers/gpu/drm/msm/msm_gem_submit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -106,7 +106,8 @@ static int submit_lookup_objects(struct pagefault_disable(); } - if (submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) { + if ((submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) || + !(submit_bo.flags & MSM_SUBMIT_BO_FLAGS)) { DRM_ERROR("invalid flags: %x\n", submit_bo.flags); ret = -EINVAL; goto out_unlock;
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