dkms: also forbid 'dkms autoinstall -k <KVER1> -k <KVER2>'

autoinstall doesn't have a loop over kernels

Author: anbe42

dkms.in

@@ -2956,7 +2956,7 @@ add | build | install)
     ${action}_module
     ;;
 autoinstall)
-    check_all_is_banned $action
+    have_one_kernel $action
     check_root && autoinstall
     ;;
 match)

run_test.sh

@@ -1126,6 +1126,12 @@ run_with_expected_error 5 dkms autoinstall --all << EOF
 Error! The action autoinstall does not support the --all parameter.
 EOF
 
+echo 'Running dkms autoinstall for more than one kernel version (same version twice for this test) (expected error)'
+run_with_expected_error 4 dkms autoinstall -k "${KERNEL_VER}" -k "${KERNEL_VER}" << EOF
+
+Error! The action autoinstall does not support multiple kernel version parameters on the command line.
+EOF
+
 echo 'Running dkms autoinstall'
 run_with_expected_output dkms autoinstall -k "${KERNEL_VER}" << EOF
 ${SIGNING_PROLOGUE}