serial: core: Drop duplicate NULL check in uart_*shutdown()

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The free_page(addr), which becomes free_pages(addr, 0) checks addr
against 0. No need to repeat this check in the callers.

Acked-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220204152808.10808-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Andy Shevchenko 2022-02-04 17:28:08 +02:00 • committed by Greg Kroah-Hartman

parent 3c5b2f5b9a

commit 186ab09930

1 changed files with 2 additions and 4 deletions

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drivers/tty/serial/serial_core.c

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