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path: root/drivers/tty/serial/kgdboc.c
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Diffstat (limited to 'drivers/tty/serial/kgdboc.c')
-rw-r--r--drivers/tty/serial/kgdboc.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index 2b42a01a81c6..10020547c60b 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -97,7 +97,8 @@ static void kgdboc_restore_input(void)
static int kgdboc_register_kbd(char **cptr)
{
- if (strncmp(*cptr, "kbd", 3) == 0) {
+ if (strncmp(*cptr, "kbd", 3) == 0 ||
+ strncmp(*cptr, "kdb", 3) == 0) {
if (kdb_poll_idx < KDB_POLL_FUNC_MAX) {
kdb_poll_funcs[kdb_poll_idx] = kdb_get_kbd_char;
kdb_poll_idx++;
@@ -122,7 +123,7 @@ static void kgdboc_unregister_kbd(void)
i--;
}
}
- flush_work_sync(&kgdboc_restore_input_work);
+ flush_work(&kgdboc_restore_input_work);
}
#else /* ! CONFIG_KDB_KEYBOARD */
#define kgdboc_register_kbd(x) 0
@@ -145,6 +146,8 @@ __setup("kgdboc=", kgdboc_option_setup);
static void cleanup_kgdboc(void)
{
+ if (kgdb_unregister_nmi_console())
+ return;
kgdboc_unregister_kbd();
if (configured == 1)
kgdb_unregister_io_module(&kgdboc_io_ops);
@@ -198,11 +201,18 @@ do_register:
if (err)
goto noconfig;
+ err = kgdb_register_nmi_console();
+ if (err)
+ goto nmi_con_failed;
+
configured = 1;
return 0;
+nmi_con_failed:
+ kgdb_unregister_io_module(&kgdboc_io_ops);
noconfig:
+ kgdboc_unregister_kbd();
config[0] = 0;
configured = 0;
cleanup_kgdboc();
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