From fce0aa0a2f06b24f241ead2e74475ea8874394b6 Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Thu, 4 Apr 2013 17:28:30 +0200
Subject: [PATCH] Fix compiler warnings with -O2.

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
---
 clock.c   | 2 +-
 config.c  | 2 +-
 phc2sys.c | 6 ++++--
 port.c    | 8 +++++---
 sk.c      | 4 ++--
 5 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/clock.c b/clock.c
index e4af8f4..bd22de5 100644
--- a/clock.c
+++ b/clock.c
@@ -735,7 +735,7 @@ void clock_install_fda(struct clock *c, struct port *p, struct fdarray fda)
 
 static void clock_forward_mgmt_msg(struct clock *c, struct port *p, struct ptp_message *msg)
 {
-	int i, pdulen, msg_ready = 0;
+	int i, pdulen = 0, msg_ready = 0;
 	struct port *fwd;
 	if (forwarding(c, p) && msg->management.boundaryHops) {
 		for (i = 0; i < c->nports + 1; i++) {
diff --git a/config.c b/config.c
index 4727942..4c4a7b1 100644
--- a/config.c
+++ b/config.c
@@ -436,7 +436,7 @@ int config_read(char *name, struct config *cfg)
 	enum parser_result parser_res;
 	FILE *fp;
 	char buf[1024], *line, *c, *option, *value;
-	int current_port, line_num;
+	int current_port = 0, line_num;
 
 	fp = 0 == strncmp(name, "-", 2) ? stdin : fopen(name, "r");
 
diff --git a/phc2sys.c b/phc2sys.c
index d210df8..c4486c3 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -330,12 +330,14 @@ static int is_msg_mgt(struct ptp_message *msg)
 
 static int get_mgt_id(struct ptp_message *msg)
 {
-	return ((struct management_tlv *) msg->management.suffix)->id;
+	struct management_tlv *mgt = (struct management_tlv *) msg->management.suffix;
+	return mgt->id;
 }
 
 static void *get_mgt_data(struct ptp_message *msg)
 {
-	return ((struct management_tlv *) msg->management.suffix)->data;
+	struct management_tlv *mgt = (struct management_tlv *) msg->management.suffix;
+	return mgt->data;
 }
 
 static int init_pmc(struct clock *clock)
diff --git a/port.c b/port.c
index 4346422..d29a70c 100644
--- a/port.c
+++ b/port.c
@@ -1829,6 +1829,7 @@ int port_dispatch(struct port *p, enum fsm_event event, int mdiff)
 {
 	enum port_state next;
 	struct fault_interval i;
+	int fri_asap = 0;
 
 	if (clock_slave_only(p->clock)) {
 		if (event == EV_RS_MASTER || event == EV_RS_GRAND_MASTER) {
@@ -1839,9 +1840,10 @@ int port_dispatch(struct port *p, enum fsm_event event, int mdiff)
 		next = ptp_fsm(p->state, event, mdiff);
 	}
 
-	fault_interval(p, last_fault_type(p), &i);
-	int fri_asap = (i.val == FRI_ASAP && i.type == FTMO_LOG2_SECONDS) ||
-		(i.val == 0 && i.type == FTMO_LINEAR_SECONDS);
+	if (!fault_interval(p, last_fault_type(p), &i) &&
+	    ((i.val == FRI_ASAP && i.type == FTMO_LOG2_SECONDS) ||
+	     (i.val == 0 && i.type == FTMO_LINEAR_SECONDS)))
+		fri_asap = 1;
 	if (PS_INITIALIZING == next || (PS_FAULTY == next && fri_asap)) {
 		/*
 		 * This is a special case. Since we initialize the
diff --git a/sk.c b/sk.c
index e09d459..786d4d3 100644
--- a/sk.c
+++ b/sk.c
@@ -200,7 +200,7 @@ int sk_receive(int fd, void *buf, int buflen,
 	       struct hw_timestamp *hwts, int flags)
 {
 	char control[256];
-	int cnt, level, try_again, type;
+	int cnt = 0, level, try_again, type;
 	struct cmsghdr *cm;
 	struct iovec iov = { buf, buflen };
 	struct msghdr msg;
@@ -272,7 +272,7 @@ int sk_receive(int fd, void *buf, int buflen,
 int sk_timestamping_init(int fd, char *device, enum timestamp_type type,
 			 enum transport_type transport)
 {
-	int err, filter1, filter2, flags, one_step;
+	int err, filter1, filter2 = 0, flags, one_step;
 
 	switch (type) {
 	case TS_SOFTWARE: