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charset="utf-8" Otherwise a GEM_SUBMIT ioctl before any BOs are mapped could cause a NPE. Reported-by: Sashiko Fixes: 6a4d287a1ae6 ("drm/msm: Mark VM as unusable on GPU hangs") Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/msm_gem_submit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm= _gem_submit.c index 26ea8a28be47..af564acf1f0d 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -572,7 +572,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *= data, if (args->pad) return -EINVAL; =20 - if (to_msm_vm(ctx->vm)->unusable) + if (ctx->vm && to_msm_vm(ctx->vm)->unusable) return UERR(EPIPE, dev, "context is unusable"); =20 /* for now, we just have 3d pipe.. eventually this would need to --=20 2.54.0 From nobody Mon Jun 8 04:20:18 2026 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 472D83A7582 for ; 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charset="utf-8" Otherwise creating a _NO_SHARE BO before any BOs are mapped could cause a NPE. Reported-by: Sashiko Fixes: b58e12a66e47 ("drm/msm: Add _NO_SHARE flag") Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/msm_gem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 2cb3ab04f125..ef14ee66c6c3 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -1148,7 +1148,8 @@ int msm_gem_new_handle(struct drm_device *dev, struct= drm_file *file, =20 if (flags & MSM_BO_NO_SHARE) { struct msm_context *ctx =3D file->driver_priv; - struct drm_gem_object *r_obj =3D drm_gpuvm_resv_obj(ctx->vm); + struct drm_gpuvm *vm =3D msm_context_vm(dev, ctx); + struct drm_gem_object *r_obj =3D drm_gpuvm_resv_obj(vm); =20 drm_gem_object_get(r_obj); =20 --=20 2.54.0