From: Pierre-Eric Pelloux-Prayer Date: Tue, 25 Jun 2024 12:31:34 +0000 (+0200) Subject: drm/radeon: check bo_va->bo is non-NULL before using it X-Git-Tag: v5.10.234~34 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e8d3c53c6f1cccea9c03113f06dd39521c228831;p=thirdparty%2Fkernel%2Fstable.git drm/radeon: check bo_va->bo is non-NULL before using it commit 6fb15dcbcf4f212930350eaee174bb60ed40a536 upstream. The call to radeon_vm_clear_freed might clear bo_va->bo, so we have to check it before dereferencing it. Signed-off-by: Pierre-Eric Pelloux-Prayer Acked-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 75053917d2137..51b6f38b5c474 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -582,7 +582,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev, if (r) goto error_unlock; - if (bo_va->it.start) + if (bo_va->it.start && bo_va->bo) r = radeon_vm_bo_update(rdev, bo_va, &bo_va->bo->tbo.mem); error_unlock: