From: Frank Pan Date: Wed, 26 May 2010 07:37:43 +0000 (+0800) Subject: tty: fix a little bug in scrup, vt.c X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=962400e8fd29981a7b166e463dd143b6ac6a3e76;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Cc: stable Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 7cdb6ee569cd..1296c42ed5c6 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); }