docs: Fix empty parallelism argument

When there was no parallelism (no top-level -j arg and a pre-1.7
sphinx-build), the argument passed would be empty ("") instead of just
being missing, which would (understandably) badly confuse sphinx-build.
Fix this by removing the quotes.

Reported-by: Rafael J. Wysocki <rafael@kernel.org>
Fixes: 51e46c7a4007 ("docs, parallelism: Rearrange how jobserver reservations are made")
Cc: stable@vger.kernel.org  # v5.5 only
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/sphinx/parallel-wrapper.sh b/Documentation/sphinx/parallel-wrapper.sh
index 7daf5133bdd3144df4f9ae7c624effabaa9e3c01..e54c44ce117d51835f7aeaba820ca48256681915 100644 (file)
--- a/Documentation/sphinx/parallel-wrapper.sh
+++ b/Documentation/sphinx/parallel-wrapper.sh
@@ -30,4 +30,4 @@ if [ -n "$parallel" ] ; then
        parallel="-j$parallel"
 fi
 
-exec "$sphinx" "$parallel" "$@"
+exec "$sphinx" $parallel "$@"