HID: icade: u16 which never < 0

from is u16 which never < 0.

Signed-off-by: Chen Gang <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/hid/hid-icade.c

···
 
 static const struct icade_key *icade_find_translation(u16 from)
 {
-	if (from < 0 || from > ICADE_MAX_USAGE)
+	if (from > ICADE_MAX_USAGE)
 		return NULL;
 	return &icade_usage_table[from];
 }