diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2016-06-23 13:34:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-25 09:04:48 -0700 |
| commit | 97293de977365fe672daec2523e66ef457104921 (patch) | |
| tree | 14c8bbf5c4c87a1b06afa1f4c800a15b4c92b135 /drivers/tty/vt/vt.c | |
| parent | 3cc5be7739295ce00f5658c6f45c5c453412f708 (diff) | |
tty: vt, consw->con_scrolldelta cleanup
* allow NULL consw->con_scrolldelta (some consoles define an empty
hook)
* => remove empty hooks now
* return value of consw->con_scrolldelta is never checked => make the
function void
* document consw->con_scrolldelta a bit
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: linux-usb@vger.kernel.org
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/vt/vt.c')
| -rw-r--r-- | drivers/tty/vt/vt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index abc79ae19079..365a91d01a0e 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -2468,7 +2468,7 @@ static void console_callback(struct work_struct *ignored) if (scrollback_delta) { struct vc_data *vc = vc_cons[fg_console].d; clear_selection(); - if (vc->vc_mode == KD_TEXT) + if (vc->vc_mode == KD_TEXT && vc->vc_sw->con_scrolldelta) vc->vc_sw->con_scrolldelta(vc, scrollback_delta); scrollback_delta = 0; } |