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authorFrank Pan <frankpzh@gmail.com>2010-05-26 15:37:43 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2010-06-04 13:37:18 -0700
commit962400e8fd29981a7b166e463dd143b6ac6a3e76 (patch)
tree9606786cc3ebd557d24e3e36f487a0c241fb3d9b /drivers/char
parentfadf34f0f05ca5ea02ffcd89544cd372bbdb739b (diff)
downloadop-kernel-dev-962400e8fd29981a7b166e463dd143b6ac6a3e76.zip
op-kernel-dev-962400e8fd29981a7b166e463dd143b6ac6a3e76.tar.gz
tty: fix a little bug in scrup, vt.c
The code uses vc->vc_cols instead of vc->vc_size_row by mistake, it will cause half of the region which is going to clear remain uncleared. The issue happens in background consoles, so it's hard to observe. Frank Pan Signed-off-by: Frank Pan <frankpzh@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/vt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 7cdb6ee..1296c42 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -304,7 +304,7 @@ static void scrup(struct vc_data *vc, unsigned int t, unsigned int b, int nr)
d = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t);
s = (unsigned short *)(vc->vc_origin + vc->vc_size_row * (t + nr));
scr_memmovew(d, s, (b - t - nr) * vc->vc_size_row);
- scr_memsetw(d + (b - t - nr) * vc->vc_cols, vc->vc_video_erase_char,
+ scr_memsetw(d + (b - t - nr) * vc->vc_size_row, vc->vc_video_erase_char,
vc->vc_size_row * nr);
}
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