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KGDB: Fix possibility of missing SysRq-G

PATCH In review Jason Wessel 1 participant 1 message Oct 15, 2007 Char and misc drivers

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PATCH 15/21 KGDB: Fix possibility of missing SysRq-G

Signed-off-by Jason Wessel <[email protected]>

sysrq_bugfix.patch

From: Jason Wessel <[email protected]>
Subject: [PATCH] Fix possibility of missing SysRq-G

It is possible that when SysRq-G is triggered via the keyboard that we will miss the "up" event and once KGDB lets the kernel go another SysRq will be required to clear this, without this change.

Signed-off-by Tom Rini <[email protected]>
Signed-off-by Jason Wessel <[email protected]>
---
 drivers/char/keyboard.c |    1 +
 1 file changed, 1 insertion(+)
drivers/char/keyboard.c +1 -0
Index: linux-2.6.21.1/drivers/char/keyboard.c
===================================================================
@@ -1176,6 +1176,7 @@ static void kbd_keycode(unsigned int key
 		sysrq_down = 0;
 	if (sysrq_down && down && !rep) {
 		handle_sysrq(kbd_sysrq_xlate[keycode], tty);
+		sysrq_down = 0;		/* In case we miss the 'up' event. */
 		return;
 	}
 #endif