From: Nicolas Pitre Date: Fri, 23 Jan 2015 22:07:21 +0000 (-0500) Subject: vt: provide notifications on selection changes X-Git-Tag: firefly_0821_release~176^2~2319^2~62 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=19e3ae6b4f07a87822c1c9e7ed99d31860e701af;p=firefly-linux-kernel-4.4.55.git vt: provide notifications on selection changes The vcs device's poll/fasync support relies on the vt notifier to signal changes to the screen content. Notifier invocations were missing for changes that comes through the selection interface though. Fix that. Tested with BRLTTY 5.2. Signed-off-by: Nicolas Pitre Cc: Dave Mielke Cc: stable Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 5d36c2358b47..6e00572cbeb9 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -500,6 +500,7 @@ void invert_screen(struct vc_data *vc, int offset, int count, int viewed) #endif if (DO_UPDATE(vc)) do_update_region(vc, (unsigned long) p, count); + notify_update(vc); } /* used by selection: complement pointer position */ @@ -516,6 +517,7 @@ void complement_pos(struct vc_data *vc, int offset) scr_writew(old, screenpos(vc, old_offset, 1)); if (DO_UPDATE(vc)) vc->vc_sw->con_putc(vc, old, oldy, oldx); + notify_update(vc); } old_offset = offset; @@ -533,8 +535,8 @@ void complement_pos(struct vc_data *vc, int offset) oldy = (offset >> 1) / vc->vc_cols; vc->vc_sw->con_putc(vc, new, oldy, oldx); } + notify_update(vc); } - } static void insert_char(struct vc_data *vc, unsigned int nr)