linux-kernel - [PATCH] Documentation: checkpatch: Add SPLIT

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Date:   Sat,  4 Sep 2021 13:06:21 +0530
From:   Utkarsh Verma <utkarshverma294@...il.com>
To:     Dwaipayan Ray <dwaipayanray1@...il.com>
Cc:     Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Joe Perches <joe@...ches.com>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Utkarsh Verma <utkarshverma294@...il.com>
Subject: [PATCH] Documentation: checkpatch: Add SPLIT_STRING message

Add a new message type SPLIT_STRING under the 'Indentation and Line
Breaks' subsection. Checkpatch documentation for the splitting of
quoted strings that appear in userspace, across multiple lines.

Suggested-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
Signed-off-by: Utkarsh Verma <utkarshverma294@...il.com>
---
 Documentation/dev-tools/checkpatch.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/dev-tools/checkpatch.rst b/Documentation/dev-tools/checkpatch.rst
index f0956e9ea2d8..b7a1288e96a9 100644
--- a/Documentation/dev-tools/checkpatch.rst
+++ b/Documentation/dev-tools/checkpatch.rst
@@ -710,6 +710,12 @@ Indentation and Line Breaks
 
     See: https://www.kernel.org/doc/html/latest/process/coding-style.html#breaking-long-lines-and-strings
 
+  **SPLIT_STRING**
+    Quoted strings that appear as messages in userspace and can be
+    grepped, should not be split across multiple lines.
+
+    See: https://lore.kernel.org/lkml/20120203052727.GA15035@leaf/
+
   **TRAILING_STATEMENTS**
     Trailing statements (for example after any conditional) should be
     on the next line.
-- 
2.25.1