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Commit bda1970b authored by Stephan Gatzka's avatar Stephan Gatzka Committed by Benjamin Cabé
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modbus: initialize return variable. 



Currently, when disabling CONFIG_MODBUS_FP_EXTENSIONS,return variable
'err'  is not initialized (at least not for debug builds) but later on
checked.

Signed-off-by: default avatarStephan Gatzka <stephan.gatzka@gmail.com>
parent 39364709
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