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-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ca280d291967dee97ad4340e1c68084c702d2b3c;p=users%2Fdwmw2%2Flinux.git drm/radeon: check bo_va->bo is non-NULL before using it 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 --- diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 2ef201a072f16..e66a230331eef 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -642,7 +642,7 @@ 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.resource); error_unlock: