vt: remove superfluous parens in invert_screen and build_attr

There were too many parentheses in invert_screen, remove them and align
the code in invert_screen a bit.

No functional change intended.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200615074910.19267-27-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 2b9fc628f05b0c8c4d6941c461f96ec6d4f2e2a6..3aff2e3cf5a63bf8d7791a3a639034af871c1e0f 100644 (file)
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -730,7 +730,7 @@ static u8 build_attr(struct vc_data *vc, u8 _color,
        else if (_intensity == VCI_HALF_BRIGHT)
                a = (a & 0xf0) | vc->vc_halfcolor;
        if (_reverse)
-               a = ((a) & 0x88) | ((((a) >> 4) | ((a) << 4)) & 0x77);
+               a = (a & 0x88) | (((a >> 4) | (a << 4)) & 0x77);
        if (_blink)
                a ^= 0x80;
        if (_intensity == VCI_BOLD)
@@ -777,14 +777,18 @@ void invert_screen(struct vc_data *vc, int offset, int count, int viewed)
                } else if (vc->vc_hi_font_mask == 0x100) {
                        while (cnt--) {
                                a = scr_readw(q);
-                               a = ((a) & 0x11ff) | (((a) & 0xe000) >> 4) | (((a) & 0x0e00) << 4);
+                               a = (a & 0x11ff) |
+                                  ((a & 0xe000) >> 4) |
+                                  ((a & 0x0e00) << 4);
                                scr_writew(a, q);
                                q++;
                        }
                } else {
                        while (cnt--) {
                                a = scr_readw(q);
-                               a = ((a) & 0x88ff) | (((a) & 0x7000) >> 4) | (((a) & 0x0700) << 4);
+                               a = (a & 0x88ff) |
+                                  ((a & 0x7000) >> 4) |
+                                  ((a & 0x0700) << 4);
                                scr_writew(a, q);
                                q++;
                        }