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tty: hvc: fix return value of __setup handler
[ Upstream commit53819a0d97
] __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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 3 additions and 1 deletions
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@ -1417,7 +1417,9 @@ static int __init hvc_iucv_init(void)
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*/
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static int __init hvc_iucv_config(char *val)
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{
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return kstrtoul(val, 10, &hvc_iucv_devices);
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if (kstrtoul(val, 10, &hvc_iucv_devices))
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pr_warn("hvc_iucv= invalid parameter value '%s'\n", val);
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return 1;
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}
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