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kgdboc: Fix warning with module build

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After 2dd4531686 ("kgdboc: Fix restrict error"), kgdboc_option_setup is
now only used when built in, resulting in a warning when compiled as a
module:

drivers/tty/serial/kgdboc.c:134:12: warning: 'kgdboc_option_setup' defined but not used [-Wunused-function]
 static int kgdboc_option_setup(char *opt)
            ^~~~~~~~~~~~~~~~~~~

Move the function under the appropriate ifdef for builtin only.

Fixes: 2dd4531686 ("kgdboc: Fix restrict error")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Laura Abbott 2018-09-19 18:59:01 -07:00 committed by Greg Kroah-Hartman
parent feacbecb39
commit 1cd25cbb2f
1 changed files with 19 additions and 18 deletions
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37
drivers/tty/serial/kgdboc.c
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@ -131,24 +131,6 @@ static void kgdboc_unregister_kbd(void)
#define kgdboc_restore_input()
#endif /* ! CONFIG_KDB_KEYBOARD */
static int kgdboc_option_setup(char *opt)
{
if (!opt) {
pr_err("config string not provided\n");
return -EINVAL;
}
if (strlen(opt) >= MAX_CONFIG_LEN) {
pr_err("config string too long\n");
return -ENOSPC;
}
strcpy(config, opt);
return 0;
}
__setup("kgdboc=", kgdboc_option_setup);
static void cleanup_kgdboc(void)
{
if (kgdb_unregister_nmi_console())
@ -316,6 +298,25 @@ static struct kgdb_io kgdboc_io_ops = {
};
#ifdef CONFIG_KGDB_SERIAL_CONSOLE
static int kgdboc_option_setup(char *opt)
{
if (!opt) {
pr_err("config string not provided\n");
return -EINVAL;
}
if (strlen(opt) >= MAX_CONFIG_LEN) {
pr_err("config string too long\n");
return -ENOSPC;
}
strcpy(config, opt);
return 0;
}
__setup("kgdboc=", kgdboc_option_setup);
/* This is only available if kgdboc is a built in for early debugging */
static int __init kgdboc_early_init(char *opt)
{