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The code incorrectly assumes that the VRAM save/restore fence is valid. Fix it by checking for error. Fixes:49cf1b9b60("drm/xe/pf: Handle VRAM migration data as part of PF control") Suggested-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Link: https://patch.msgid.link/20251114122339.1791026-1-michal.winiarski@intel.com Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> (cherry picked from commit78ff838a8a) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>