ppp: use PPP_TRANS instead of the magic number 0x20

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>

diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index a1b82c9c67d246c64f41ee1ec51f83b04fe0a6fa..c554a397e558c2b0fbd5ac0ff2d94523612f8a42 100644 (file)
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -523,7 +523,7 @@ static void ppp_async_process(unsigned long arg)
 #define PUT_BYTE(ap, buf, c, islcp)    do {            \
        if ((islcp && c < 0x20) || (ap->xaccm[c >> 5] & (1 << (c & 0x1f)))) {\
                *buf++ = PPP_ESCAPE;                    \
-               *buf++ = c ^ 0x20;                      \
+               *buf++ = c ^ PPP_TRANS;                 \
        } else                                          \
                *buf++ = c;                             \
 } while (0)
@@ -896,7 +896,7 @@ ppp_async_input(struct asyncppp *ap, const unsigned char *buf,
                                sp = skb_put(skb, n);
                                memcpy(sp, buf, n);
                                if (ap->state & SC_ESCAPE) {
-                                       sp[0] ^= 0x20;
+                                       sp[0] ^= PPP_TRANS;
                                        ap->state &= ~SC_ESCAPE;
                                }
                        }