From 2b9e0bac9419404a2d210ccaffaec442fe63338e Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Thu, 7 Jul 2005 17:56:19 -0700 Subject: [PATCH] [PATCH] hvc_console: MAGIC_SYSRQ should only be on console channel Guard the MAGIC_SYSRQ ^O to be just on the console channel. Make the other channels more transparent. Signed-off-by: Milton Miller Signed-off-by: Anton Blanchard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/hvc_console.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 46508a737064..e7362c195b11 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -584,14 +584,17 @@ static int hvc_poll(struct hvc_struct *hp) } for (i = 0; i < n; ++i) { #ifdef CONFIG_MAGIC_SYSRQ - /* Handle the SysRq Hack */ - if (buf[i] == '\x0f') { /* ^O -- should support a sequence */ - sysrq_pressed = 1; - continue; - } else if (sysrq_pressed) { - handle_sysrq(buf[i], NULL, tty); - sysrq_pressed = 0; - continue; + if (hp->index == hvc_con_driver.index) { + /* Handle the SysRq Hack */ + /* XXX should support a sequence */ + if (buf[i] == '\x0f') { /* ^O */ + sysrq_pressed = 1; + continue; + } else if (sysrq_pressed) { + handle_sysrq(buf[i], NULL, tty); + sysrq_pressed = 0; + continue; + } } #endif /* CONFIG_MAGIC_SYSRQ */ tty_insert_flip_char(tty, buf[i], 0); -- 2.30.2