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s390/tty3270: use switch/case in tty3270_erase_line()

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This makes the code easier to read.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Sven Schnelle
2022-11-29 12:11:05 +01:00
committed by Heiko Carstens
parent 13d4999ab2
commit 815f3eeea9
1 changed files with 10 additions and 3 deletions
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13
drivers/s390/char/con3270.c
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@@ -1306,9 +1306,11 @@ static void tty3270_erase_line(struct tty3270 *tp, int mode)
int i;
line = tp->screen + tp->cy;
if (mode == 0)
switch (mode) {
case 0:
line->len = tp->cx;
else if (mode == 1) {
break;
case 1:
for (i = 0; i < tp->cx; i++) {
cell = line->cells + i;
cell->character = ' ';
@@ -1317,8 +1319,13 @@ static void tty3270_erase_line(struct tty3270 *tp, int mode)
}
if (line->len <= tp->cx)
line->len = tp->cx + 1;
} else if (mode == 2)
break;
case 2:
line->len = 0;
break;
default:
return;
}
tty3270_convert_line(tp, tp->cy);
}