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| author | Milton Miller <miltonm@bga.com> | 2005-07-07 17:56:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-07 18:23:38 -0700 |
| commit | 2b9e0bac9419404a2d210ccaffaec442fe63338e (patch) | |
| tree | 30e434f301c38c66cc0ee4ebe9e7e0a594ce629e /drivers/char/hvc_console.c | |
| parent | 8b67f8c177a642b35b7a05f530c12ef2834ef182 (diff) | |
| download | linux-3.10-2b9e0bac9419404a2d210ccaffaec442fe63338e.tar.gz linux-3.10-2b9e0bac9419404a2d210ccaffaec442fe63338e.tar.bz2 linux-3.10-2b9e0bac9419404a2d210ccaffaec442fe63338e.zip | |
[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 <miltonm@bga.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/hvc_console.c')
| -rw-r--r-- | drivers/char/hvc_console.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 46508a73706..e7362c195b1 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); |