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The num_cells variable is only used in the dev_dbg print, but we can directly use the ret variable which also includes the same value. Signed-off-by: Andreas Werner <andreas.werner@men.de> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>