net: ping: reset stored IP once the command finishes to avoid interrupting other...

Reset stored ping IP address before leaving the netloop to ensure that the subsequent calls
to the netloop, especially for the other protocols, won't be interrupted by the received
ICMP_ECHO_REPLY packet.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I0d90b3a6e9481c8e8237874eff8a9a12df4190e0

diff --git a/net/ping.c b/net/ping.c
index 075df3663fe073132687212df5d385f6cb9f04b0..fcb247a57713f86143558733754184f362a42b19 100644 (file)
--- a/net/ping.c
+++ b/net/ping.c
@@ -65,6 +65,7 @@ static int ping_send(void)
 static void ping_timeout_handler(void)
 {
        eth_halt();
+       net_ping_ip.s_addr = 0;
        net_set_state(NETLOOP_FAIL);    /* we did not get the reply */
 }
 
@@ -86,8 +87,10 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
        switch (icmph->type) {
        case ICMP_ECHO_REPLY:
                src_ip = net_read_ip((void *)&ip->ip_src);
-               if (src_ip.s_addr == net_ping_ip.s_addr)
+               if (src_ip.s_addr == net_ping_ip.s_addr) {
+                       net_ping_ip.s_addr = 0;
                        net_set_state(NETLOOP_SUCCESS);
+               }
                return;
        case ICMP_ECHO_REQUEST:
                if (net_ip.s_addr == 0)