[PATCH v2 1/8] sandbox: eth-raw: do not close the console input

[Heinrich Schuchardt]

When the sandbox eth-raw device host_lo is removed this leads to closing
the console input.

Do not call close(0).

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
Reviewed-by: Simon Glass <s...@chromium.org>
---
v2:
        no change
---
 arch/sandbox/cpu/eth-raw-os.c | 8 ++++----
 arch/sandbox/cpu/os.c         | 5 ++++-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/arch/sandbox/cpu/eth-raw-os.c b/arch/sandbox/cpu/eth-raw-os.c
index da01d1addf..6a8d809756 100644
--- a/arch/sandbox/cpu/eth-raw-os.c
+++ b/arch/sandbox/cpu/eth-raw-os.c
@@ -53,7 +53,7 @@ int sandbox_eth_raw_os_is_local(const char *ifname)
        }
        ret = !!(ifr.ifr_flags & IFF_LOOPBACK);
 out:
-       close(fd);
+       os_close(fd);
        return ret;
 }

@@ -220,7 +220,7 @@ int sandbox_eth_raw_os_send(void *packet, int length,
                struct sockaddr_in addr;

                if (priv->local_bind_sd != -1)
-                       close(priv->local_bind_sd);
+                       os_close(priv->local_bind_sd);

                /* A normal UDP socket is required to bind */
                priv->local_bind_sd = socket(AF_INET, SOCK_DGRAM, 0);
@@ -284,11 +284,11 @@ void sandbox_eth_raw_os_stop(struct eth_sandbox_raw_priv 
*priv)
 {
        free(priv->device);
        priv->device = NULL;
-       close(priv->sd);
+       os_close(priv->sd);
        priv->sd = -1;
        if (priv->local) {
                if (priv->local_bind_sd != -1)
-                       close(priv->local_bind_sd);
+                       os_close(priv->local_bind_sd);
                priv->local_bind_sd = -1;
                priv->local_bind_udp_port = 0;
        }
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index e7ec892bdf..c461fb0db0 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -86,7 +86,10 @@ int os_open(const char *pathname, int os_flags)

 int os_close(int fd)
 {
-       return close(fd);
+       /* Do not close the console input */
+       if (fd)
+               return close(fd);
+       return -1;
 }

 int os_unlink(const char *pathname)
--
2.28.0