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08441f10f4
When reading exactly 512 bytes with burst read enabled, the extra_byte_added path breaks out of the inner do-while without decrementing len. The outer while(len) then re-enters and gmbus_wait() times out since all data has been delivered. Decrement len before the break so the outer loop terminates correctly. Fixes:d5dc0f43f2("drm/i915/gmbus: Enable burst read") Signed-off-by: Samasth Norway Ananda <samasth.norway.ananda@oracle.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Link: https://patch.msgid.link/20260316231920.135438-2-samasth.norway.ananda@oracle.com Signed-off-by: Jani Nikula <jani.nikula@intel.com> (cherry picked from commit4ab0f09ee7) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>