scripts/generate-kernel-patch: Download the correct kernel version

Additionally, only try to download the Linux kernel when including the
qla2x00t driver in the output.

This is a modified version of a patch supplied by Pascal de Bruijn.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7825 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scripts/generate-kernel-patch

@@ -269,8 +269,6 @@ do
    fi
 done
 
-download_kernel "${kver}" || exit $?
-
 # General kernel patches.
 
 scsi_exec_req_fifo_defined=0
@@ -499,6 +497,8 @@ add_file "iscsi-scst/README_in-tree" "Documentation/scst/README.iscsi" \
 
 if [ "${qla2x00t}" = "true" ]; then
 
+  download_kernel "${kver3}" || exit $?
+
   ( cd qla2x00t && ./generate-in-tree-patches "$1" )
 
   for f in qla2x00t/in-tree-patches/"$1"/*.patch; do