tcp: Use BIT() for OPTION_* constants

Extending these flags using the existing (1 << x) pattern triggers
complaints from checkpatch. Instead of ignoring checkpatch modify the
existing values to use BIT(x) style in a separate commit.

Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 6f7860e..2e6e5a7 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -408,13 +408,13 @@ static inline bool tcp_urg_mode(const struct tcp_sock *tp)
        return tp->snd_una != tp->snd_up;
 }
 
-#define OPTION_SACK_ADVERTISE  (1 << 0)
-#define OPTION_TS              (1 << 1)
-#define OPTION_MD5             (1 << 2)
-#define OPTION_WSCALE          (1 << 3)
-#define OPTION_FAST_OPEN_COOKIE        (1 << 8)
-#define OPTION_SMC             (1 << 9)
-#define OPTION_MPTCP           (1 << 10)
+#define OPTION_SACK_ADVERTISE  BIT(0)
+#define OPTION_TS              BIT(1)
+#define OPTION_MD5             BIT(2)
+#define OPTION_WSCALE          BIT(3)
+#define OPTION_FAST_OPEN_COOKIE        BIT(8)
+#define OPTION_SMC             BIT(9)
+#define OPTION_MPTCP           BIT(10)
 
 static void smc_options_write(__be32 *ptr, u16 *options)
 {