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linux/drivers/tty/hvc
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Randy Dunlap 53819a0d97 tty: hvc: fix return value of __setup handler 
__setup() handlers should return 1 to indicate that the boot option
has been handled or 0 to indicate that it was not handled.
Add a pr_warn() message if the option value is invalid and then
always return 1.

Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Fixes: 86b40567b9 ("tty: replace strict_strtoul() with kstrtoul()")
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Julian Wiedmann <jwi@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220308024228.20477-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-18 13:09:57 +01:00
..
hvc_console.c Revert "tty: hvc: pass DMA capable memory to put_chars()" 2021-10-26 08:48:09 +02:00
hvc_console.h Revert "tty: hvc: pass DMA capable memory to put_chars()" 2021-10-26 08:48:09 +02:00
hvc_dcc.c serial: make uart_console_write->putchar()'s character an unsigned char 2022-03-03 15:06:31 +01:00
hvc_irq.c
hvc_iucv.c tty: hvc: fix return value of __setup handler 2022-03-18 13:09:57 +01:00
hvc_opal.c tty: hvc: hvc_opal: Staticify function invoked by reference 2020-11-06 10:54:05 +01:00
hvc_riscv_sbi.c tty: Don't force RISCV SBI console as preferred console 2019-05-16 20:42:11 -07:00
hvc_rtas.c
hvc_udbg.c tty: hvc: make symbol 'hvc_udbg_dev' static 2021-04-10 10:41:40 +02:00
hvc_vio.c tty: hvc: udbg_hvc: retry putc on -EAGAIN 2021-05-23 20:51:36 +10:00
hvc_xen.c xen/console: harden hvc_xen against event channel storms 2021-12-16 08:24:08 +01:00
hvcs.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
hvsi_lib.c
hvsi.c tty: stop using alloc_tty_driver 2021-07-27 12:17:20 +02:00
Kconfig tty: hvc: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n 2020-09-27 14:17:43 +02:00
Makefile