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-rw-r--r--drivers/tty/vt/vt.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index e9cdcf40fe14..65cd40cac96b 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2637,7 +2637,7 @@ static inline int vc_translate_ascii(const struct vc_data *vc, int c)
*/
static inline int vc_sanitize_unicode(const int c)
{
- if ((c >= 0xd800 && c <= 0xdfff) || c == 0xfffe || c == 0xffff)
+ if (c >= 0xd800 && c <= 0xdfff)
return 0xfffd;
return c;
@@ -2656,10 +2656,7 @@ static inline int vc_sanitize_unicode(const int c)
*/
static int vc_translate_unicode(struct vc_data *vc, int c, bool *rescan)
{
- static const u32 utf8_length_changes[] = {
- 0x0000007f, 0x000007ff, 0x0000ffff,
- 0x001fffff, 0x03ffffff, 0x7fffffff
- };
+ static const u32 utf8_length_changes[] = {0x7f, 0x7ff, 0xffff, 0x10ffff};
/* Continuation byte received */
if ((c & 0xc0) == 0x80) {
@@ -2705,14 +2702,7 @@ static int vc_translate_unicode(struct vc_data *vc, int c, bool *rescan)
} else if ((c & 0xf8) == 0xf0) {
vc->vc_utf_count = 3;
vc->vc_utf_char = (c & 0x07);
- } else if ((c & 0xfc) == 0xf8) {
- vc->vc_utf_count = 4;
- vc->vc_utf_char = (c & 0x03);
- } else if ((c & 0xfe) == 0xfc) {
- vc->vc_utf_count = 5;
- vc->vc_utf_char = (c & 0x01);
} else {
- /* 254 and 255 are invalid */
return 0xfffd;
}