sandbox: eth-raw: Make sure descriptors are always initialized

If we let descriptors equal 0, we can end up closing STDIN. Make sure
they start out as -1.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/sandbox/cpu/eth-raw-os.c b/arch/sandbox/cpu/eth-raw-os.c
index 61f23ed2104d9a4ad1ee5dfbe2783cf9d17ac0a5..4263d8829a30052b6de3a1f63314ca609967ff0e 100644 (file)
--- a/arch/sandbox/cpu/eth-raw-os.c
+++ b/arch/sandbox/cpu/eth-raw-os.c
@@ -34,6 +34,7 @@ static int _raw_packet_start(const char *ifname, unsigned char *ethmac,
        int flags;
 
        /* Prepare device struct */
+       priv->local_bind_sd = -1;
        priv->device = malloc(sizeof(struct sockaddr_ll));
        if (priv->device == NULL)
                return -ENOMEM;
@@ -103,6 +104,8 @@ static int _local_inet_start(struct eth_sandbox_raw_priv *priv)
        int one = 1;
 
        /* Prepare device struct */
+       priv->local_bind_sd = -1;
+       priv->local_bind_udp_port = 0;
        priv->device = malloc(sizeof(struct sockaddr_in));
        if (priv->device == NULL)
                return -ENOMEM;
@@ -136,8 +139,6 @@ static int _local_inet_start(struct eth_sandbox_raw_priv *priv)
                       strerror(errno));
                return -errno;
        }
-       priv->local_bind_sd = -1;
-       priv->local_bind_udp_port = 0;
        return 0;
 }