serial: stm32: improve platform_get_irq condition handling in init_port
Replace "ret" variable by "irq" variable from platform_get_irq condition handling in stm32_init_port as suggested by Jiri in "STM32 uart cleanup and improvement" series review. This change will prevent port->irq to be unexpectly modified by a potential change of "ret" value introduced by a new patch. Suggested-by: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com> Link: https://lore.kernel.org/r/20210121142309.6327-1-erwan.leray@foss.st.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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