connman: Do not take over ethernet interface if target is boot by nfs

Detect if target system is booting by nfs, connman will
not take over the ethernet interface.

This fixes [BUGID #364]

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>

1 files changed, 21 insertions, 1 deletions

diff --git a/meta/recipes-connectivity/connman/connman-0.56/connman b/meta/recipes-connectivity/connman/connman-0.56/connman
index f8154f68f9..f01bf371c2 100755
--- a/meta/recipes-connectivity/connman/connman-0.56/connman
+++ b/meta/recipes-connectivity/connman/connman-0.56/connman
@@ -10,8 +10,28 @@ fi
 
 set -e
 
+nfsroot=0
+
+exec 9<&0 < /proc/mounts
+while read dev mtpt fstype rest; do
+        if test $mtpt = "/" ; then
+                case $fstype in
+                    nfs | nfs4)
+                        nfsroot=1
+                        break
+                        ;;
+                    *)
+                        ;;
+                esac
+        fi
+done
+
 do_start() {
-        $DAEMON
+        EXTRA_PARAM=""
+        if test $nfsroot -eq 1 ; then
+                EXTRA_PARAM="-P ethernet"
+        fi
+        $DAEMON $EXTRA_PARAM
 }
 
 do_stop() {