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SubjectRe: [PATCH] vt: incomplete initialization of vc_tab_stop
On Wed, Oct 22, 2008 at 11:27:05AM +0100 Alan Cox wrote:
> On Sat, 18 Oct 2008 13:49:31 +0200 Wolfgang Kroworsch wrote:
>
> > Problem 1 (see patch below):
> > vc_tab_stop is declared as an array of 8 unsigned ints in struct
> > vc_data in include/linux/console_struct.h .
> > In drivers/char/vt.c only 5 of these 8 unsigned ints get initialized
> > leading to unintended tabulator placement on displays with more than
> > 160 columns text.
>
> Seems sensible enough - but need a Signed-off-by line to apply.

Thx, Wolfgang

Signed-off-by: Wolfgang Kroworsch <wolfgang@kroworsch.de>
---

drivers/char/vt.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index d8f83e2..a5af607 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -1644,7 +1644,10 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
vc->vc_tab_stop[1] =
vc->vc_tab_stop[2] =
vc->vc_tab_stop[3] =
- vc->vc_tab_stop[4] = 0x01010101;
+ vc->vc_tab_stop[4] =
+ vc->vc_tab_stop[5] =
+ vc->vc_tab_stop[6] =
+ vc->vc_tab_stop[7] = 0x01010101;

vc->vc_bell_pitch = DEFAULT_BELL_PITCH;
vc->vc_bell_duration = DEFAULT_BELL_DURATION;
@@ -1935,7 +1938,10 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_tab_stop[1] =
vc->vc_tab_stop[2] =
vc->vc_tab_stop[3] =
- vc->vc_tab_stop[4] = 0;
+ vc->vc_tab_stop[4] =
+ vc->vc_tab_stop[5] =
+ vc->vc_tab_stop[6] =
+ vc->vc_tab_stop[7] = 0;
}
return;
case 'm':

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