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authorAndy Shevchenko <ext-andriy.shevchenko@nokia.com>2010-06-15 17:24:16 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-10 13:47:38 -0700
commit74c807ce3d1f092fc5138c5a54019553061ecc17 (patch)
tree497ccebc628cf2f605186e73471de15a97caccf2
parent690b781b327a1c986c33fb2c51dd966c38222943 (diff)
vt: clean up the code - use kernel library
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/char/vt.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 44f03ddd8871..34bfb056d7a6 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++];