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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Kees Cook <keescook@chromium.org>,
        Jonathan Corbet <corbet@lwn.net>
Subject: [PATCH 5.12 187/242] docs: Makefile: Use CONFIG_SHELL not SHELL
Date:   Thu, 15 Jul 2021 20:39:09 +0200
Message-Id: <20210715182626.199924247@linuxfoundation.org>
In-Reply-To: <20210715182551.731989182@linuxfoundation.org>
References: <20210715182551.731989182@linuxfoundation.org>
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From: Kees Cook <keescook@chromium.org>

commit 222a28edce38b62074a950fb243df621c602b4d3 upstream.

Fix think-o about which variable to find the Kbuild-configured shell.
This has accidentally worked due to most shells setting $SHELL by
default.

Fixes: 51e46c7a4007 ("docs, parallelism: Rearrange how jobserver reservations are made")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210617225808.3907377-1-keescook@chromium.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 Documentation/Makefile |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -76,7 +76,7 @@ quiet_cmd_sphinx = SPHINX  $@ --> file:/
 	PYTHONDONTWRITEBYTECODE=1 \
 	BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abspath $(srctree)/$(src)/$5/$(SPHINX_CONF)) \
 	$(PYTHON3) $(srctree)/scripts/jobserver-exec \
-	$(SHELL) $(srctree)/Documentation/sphinx/parallel-wrapper.sh \
+	$(CONFIG_SHELL) $(srctree)/Documentation/sphinx/parallel-wrapper.sh \
 	$(SPHINXBUILD) \
 	-b $2 \
 	-c $(abspath $(srctree)/$(src)) \