diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2016-06-23 13:34:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-25 09:04:48 -0700 |
| commit | 709280da6238629c3b488b7be87c6d9185f4d03e (patch) | |
| tree | e4de3b670b42ab8b8780b14286c9cbb5d708d1fd /drivers/usb/misc | |
| parent | 97293de977365fe672daec2523e66ef457104921 (diff) | |
tty: vt, consw->con_set_palette cleanup
* allow NULL consw->con_set_palette (some consoles define an empty
hook)
* => remove empty hooks now
* return value of consw->con_set_palette is never checked => make the
function void
* document consw->con_set_palette 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/usb/misc')
| -rw-r--r-- | drivers/usb/misc/sisusbvga/sisusb_con.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index a8244ebeb7a7..4112835f4aed 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -595,7 +595,7 @@ sisusbcon_save_screen(struct vc_data *c) } /* interface routine */ -static int +static void sisusbcon_set_palette(struct vc_data *c, const unsigned char *table) { struct sisusb_usb_data *sisusb; @@ -604,17 +604,17 @@ sisusbcon_set_palette(struct vc_data *c, const unsigned char *table) /* Return value not used by vt */ if (!CON_IS_VISIBLE(c)) - return -EINVAL; + return; sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); if (!sisusb) - return -EINVAL; + return; /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb)) { mutex_unlock(&sisusb->lock); - return -EINVAL; + return; } for (i = j = 0; i < 16; i++) { @@ -629,8 +629,6 @@ sisusbcon_set_palette(struct vc_data *c, const unsigned char *table) } mutex_unlock(&sisusb->lock); - - return 0; } /* interface routine */ @@ -1428,7 +1426,6 @@ static const struct consw sisusb_dummy_con = { .con_font_get = SISUSBCONDUMMY, .con_font_default = SISUSBCONDUMMY, .con_font_copy = SISUSBCONDUMMY, - .con_set_palette = SISUSBCONDUMMY, }; int |