runqemu-gen-tapdevs: add UID to CL options

runqemu-if* now requires UID as a command line option which means
runqemu-gen-tapdevs needs to take it as an option.

Signed-off-by: Elizabeth Flanagan <elizabeth.flanagan@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/scripts/runqemu-gen-tapdevs b/scripts/runqemu-gen-tapdevs
index 15bccd4484a0a33b43911e82e04b7c2d05287ac6..2c1ff0eefbc40a8e3915be7c0d752f412d2dd73f 100755 (executable)
--- a/scripts/runqemu-gen-tapdevs
+++ b/scripts/runqemu-gen-tapdevs
@@ -23,7 +23,8 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 usage() {
-       echo "Usage: sudo $0 <gid> <num> <native-sysroot-basedir>"
+       echo "Usage: sudo $0 <uid> <gid> <num> <native-sysroot-basedir>"
+        echo "Where <uid> is the numeric user id the tap devices will be owned by"
        echo "Where <gid> is the numeric group id the tap devices will be owned by"
        echo "<num> is the number of tap devices to create (0 to remove all)"
        echo "<native-sysroot-basedir> is the path to the build system's native sysroot"
@@ -35,14 +36,15 @@ if [ $EUID -ne 0 ]; then
        exit
 fi
 
-if [ $# -ne 3 ]; then
+if [ $# -ne 4 ]; then
        echo "Error: Incorrect number of arguments"
        usage
 fi
 
-GID=$1
-COUNT=$2
-SYSROOT=$3
+TUID=$1
+GID=$2
+COUNT=$3
+SYSROOT=$4
 
 TUNCTL=$SYSROOT/usr/bin/tunctl
 if [[ ! -x "$TUNCTL" || -d "$TUNCTL" ]]; then
@@ -73,10 +75,10 @@ for tap in `$IFCONFIG | grep ^tap | awk '{ print \$1 }'`; do
        $TUNCTL -d $tap
 done
 
-echo "Creating $COUNT tap devices for GID $GID..."
+echo "Creating $COUNT tap devices for UID: $TUID GID: $GID..."
 for ((index=0; index < $COUNT; index++)); do
        echo "Creating tap$index"
-       ifup=`$RUNQEMU_IFUP $GID $SYSROOT 2>&1`
+       ifup=`$RUNQEMU_IFUP $TUID $GID $SYSROOT 2>&1`
        if [ $? -ne 0 ]; then
                echo "Error running tunctl: $ifup"
                exit 1