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TTY fix for 3.7-rc7 

Here is a single fix for a reported regression in 3.7-rc5 for the tty
 layer.  This fix has been in the linux-next tree and solves the reported
 problem.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull TTY fix from Greg Kroah-Hartman:
 "Here is a single fix for a reported regression in 3.7-rc5 for the tty
  layer.  This fix has been in the linux-next tree and solves the
  reported problem.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'tty-3.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty vt: Fix a regression in command line edition
This commit is contained in:
Linus Torvalds 2012-11-26 17:46:36 -08:00
Родитель c854539d71 b1a925f44a
Коммит 5687100aad
1 изменённых файлов: 4 добавлений и 4 удалений
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8
drivers/tty/vt/vt.c
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@ -539,25 +539,25 @@ static void insert_char(struct vc_data *vc, unsigned int nr)
{
unsigned short *p = (unsigned short *) vc->vc_pos;
scr_memmovew(p + nr, p, vc->vc_cols - vc->vc_x);
scr_memmovew(p + nr, p, (vc->vc_cols - vc->vc_x) * 2);
scr_memsetw(p, vc->vc_video_erase_char, nr * 2);
vc->vc_need_wrap = 0;
if (DO_UPDATE(vc))
do_update_region(vc, (unsigned long) p,
(vc->vc_cols - vc->vc_x) / 2 + 1);
vc->vc_cols - vc->vc_x);
}
static void delete_char(struct vc_data *vc, unsigned int nr)
{
unsigned short *p = (unsigned short *) vc->vc_pos;
scr_memcpyw(p, p + nr, vc->vc_cols - vc->vc_x - nr);
scr_memcpyw(p, p + nr, (vc->vc_cols - vc->vc_x - nr) * 2);
scr_memsetw(p + vc->vc_cols - vc->vc_x - nr, vc->vc_video_erase_char,
nr * 2);
vc->vc_need_wrap = 0;
if (DO_UPDATE(vc))
do_update_region(vc, (unsigned long) p,
(vc->vc_cols - vc->vc_x) / 2);
vc->vc_cols - vc->vc_x);
}
static int softcursor_original;