tcp: change type of alive from int to bool

The alive parameter of tcp_orphan_retries, indicates
whether the connection is assumed alive or not.
In the function and all places calling it is used as a boolean value.

Therefore this changes the type of alive to bool in the function
definition and all calling locations.

Since tcp_orphan_tries is a tcp_timer.c local function no change in
any other file or header is necessary.

Signed-off-by: Richard Sailer <richard@weltraumpflege.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 7149ebc820c7d87afef856ce641ac63678abafa3..c9c716a483e457e8b4fe063776ae3d7a855889cc 100644 (file)
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -83,7 +83,7 @@ static int tcp_out_of_resources(struct sock *sk, bool do_reset)
 }
 
 /* Calculate maximal number or retries on an orphaned socket. */
-static int tcp_orphan_retries(struct sock *sk, int alive)
+static int tcp_orphan_retries(struct sock *sk, bool alive)
 {
        int retries = sysctl_tcp_orphan_retries; /* May be zero. */
 
@@ -184,7 +184,7 @@ static int tcp_write_timeout(struct sock *sk)
 
                retry_until = sysctl_tcp_retries2;
                if (sock_flag(sk, SOCK_DEAD)) {
-                       const int alive = icsk->icsk_rto < TCP_RTO_MAX;
+                       const bool alive = icsk->icsk_rto < TCP_RTO_MAX;
 
                        retry_until = tcp_orphan_retries(sk, alive);
                        do_reset = alive ||
@@ -298,7 +298,7 @@ static void tcp_probe_timer(struct sock *sk)
 
        max_probes = sysctl_tcp_retries2;
        if (sock_flag(sk, SOCK_DEAD)) {
-               const int alive = inet_csk_rto_backoff(icsk, TCP_RTO_MAX) < TCP_RTO_MAX;
+               const bool alive = inet_csk_rto_backoff(icsk, TCP_RTO_MAX) < TCP_RTO_MAX;
 
                max_probes = tcp_orphan_retries(sk, alive);
                if (!alive && icsk->icsk_backoff >= max_probes)