runqemu: Ensure ROOTFS path is absolute

There is a problem if a relative path is passed to the kernel for NFS usage
that it will not correctly find it, so ensure that the ROOTFS path is absolute.

[YOCTO #2807]

Signed-off-by: Saul Wold <sgw@linux.intel.com>

diff --git a/scripts/runqemu b/scripts/runqemu
index 0db7ad63cabce01d52355ad9446bce613d9da5cb..57c5de4ca048c9c6cc8cde14f28716348ebb0e0a 100755 (executable)
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -462,7 +462,9 @@ if [ -z "$ROOTFS" -a "x$FSTYPE" != "xvmdk" ]; then
         error "Unable to determine default rootfs for MACHINE [$MACHINE]"
     fi
 fi
-# ROOTFS is now set for all cases
+# ROOTFS is now set for all cases, now expand it to be an absolute path, it should exist at this point
+
+ROOTFS=`realpath $ROOTFS`
 
 echo ""
 echo "Continuing with the following parameters:"