[PATCH 03/68] vt: clean up the code - use kernel library

From: Greg Kroah-Hartman
Date: Tue Aug 10 2010 - 17:59:46 EST


From: Andy Shevchenko <ext-andriy.shevchenko@xxxxxxxxx>

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@xxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/char/vt.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 44f03dd..34bfb05 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -105,6 +105,7 @@
#include <asm/system.h>
#include <linux/uaccess.h>
#include <linux/kdb.h>
+#include <linux/ctype.h>

#define MAX_NR_CON_DRIVER 16

@@ -1796,8 +1797,8 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_state = ESnormal;
return;
case ESpalette:
- if ( (c>='0'&&c<='9') || (c>='A'&&c<='F') || (c>='a'&&c<='f') ) {
- vc->vc_par[vc->vc_npar++] = (c > '9' ? (c & 0xDF) - 'A' + 10 : c - '0');
+ if (isxdigit(c)) {
+ vc->vc_par[vc->vc_npar++] = hex_to_bin(c);
if (vc->vc_npar == 7) {
int i = vc->vc_par[0] * 3, j = 1;
vc->vc_palette[i] = 16 * vc->vc_par[j++];
--
1.7.2

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