Commit 2b9e0bac authored by Milton Miller's avatar Milton Miller Committed by Linus Torvalds

[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: default avatarMilton Miller <miltonm@bga.com>
Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8b67f8c1
...@@ -584,14 +584,17 @@ static int hvc_poll(struct hvc_struct *hp) ...@@ -584,14 +584,17 @@ static int hvc_poll(struct hvc_struct *hp)
} }
for (i = 0; i < n; ++i) { for (i = 0; i < n; ++i) {
#ifdef CONFIG_MAGIC_SYSRQ #ifdef CONFIG_MAGIC_SYSRQ
/* Handle the SysRq Hack */ if (hp->index == hvc_con_driver.index) {
if (buf[i] == '\x0f') { /* ^O -- should support a sequence */ /* Handle the SysRq Hack */
sysrq_pressed = 1; /* XXX should support a sequence */
continue; if (buf[i] == '\x0f') { /* ^O */
} else if (sysrq_pressed) { sysrq_pressed = 1;
handle_sysrq(buf[i], NULL, tty); continue;
sysrq_pressed = 0; } else if (sysrq_pressed) {
continue; handle_sysrq(buf[i], NULL, tty);
sysrq_pressed = 0;
continue;
}
} }
#endif /* CONFIG_MAGIC_SYSRQ */ #endif /* CONFIG_MAGIC_SYSRQ */
tty_insert_flip_char(tty, buf[i], 0); tty_insert_flip_char(tty, buf[i], 0);
......
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