linux-kernel - [PATCH v2] checkpatch: add --fix option for INCLUDE

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Message-Id: <20201121212414.170840-1-dwaipayanray1@gmail.com>
Date:   Sun, 22 Nov 2020 02:54:14 +0530
From:   Dwaipayan Ray <dwaipayanray1@...il.com>
To:     joe@...ches.com
Cc:     linux-kernel-mentees@...ts.linuxfoundation.org,
        dwaipayanray1@...il.com, linux-kernel@...r.kernel.org,
        lukas.bulwahn@...il.com
Subject: [PATCH v2] checkpatch: add --fix option for INCLUDE_LINUX

Provide fix option to INCLUDE_LINUX check to replace asm
includes.

Macros of type:
 #include <asm/percpu.h>

are corrected to:
 #include <linux/percpu.h>

Signed-off-by: Dwaipayan Ray <dwaipayanray1@...il.com>
---

Changes in v2:
- Use \Q..\E quoting
- Use @ as regex delimiter

 scripts/checkpatch.pl | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 0da6422cd0fd..e4feb91a0fe4 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5468,8 +5468,11 @@ sub process {
 						CHK("ARCH_INCLUDE_LINUX",
 						    "Consider using #include <linux/$file> instead of <asm/$file>\n" . $herecurr);
 					} else {
-						WARN("INCLUDE_LINUX",
-						     "Use #include <linux/$file> instead of <asm/$file>\n" . $herecurr);
+						if (WARN("INCLUDE_LINUX",
+							 "Use #include <linux/$file> instead of <asm/$file>\n" . $herecurr) &&
+						    $fix) {
+							$fixed[$fixlinenr] =~ s@\Q<asm/$file>\E@<linux/$file>@;
+						}
 					}
 				}
 			}
-- 
2.27.0