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Message-ID: <20100813045528.GA32350@bnru01.bnr.st.com>
Date: Fri, 13 Aug 2010 10:25:29 +0530
From: Rabin VINCENT <rabin.vincent@...ricsson.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Andy Whitcroft <apw@...onical.com>,
Linus WALLEIJ <linus.walleij@...ricsson.com>
Subject: Re: [PATCH] checkpatch: check for incorrect permissions
On Thu, Aug 12, 2010 at 23:02:22 +0200, Andrew Morton wrote:
> On Thu, 12 Aug 2010 10:45:45 +0530
> Rabin Vincent <rabin.vincent@...ricsson.com> wrote:
> > # extract the filename as it passes
> > - if ($line=~/^\+\+\+\s+(\S+)/) {
> > + if ($line=~/^\+\+\+\s+(\S+)/ || $line=~/^diff\s.*?(\S+)$/) {
>
> Breakage. This causes the false warning:
>
> WARNING: patch prefix 'drivers' exists, appears to be a -p0 patch
I've fixed this by matching for the filename in the diff line only when
it's "diff --git". Also prevented a double-print of the "do not modify
file in include/asm" error.
>From b854ea24f1bd5391a63d8d4e2aa63e1c10870816 Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin.vincent@...ricsson.com>
Date: Wed, 11 Aug 2010 14:45:45 +0530
Subject: [PATCHv2] checkpatch: check for incorrect permissions
Throw an error when a source file has been given execute permissions
using the mode change line present in git diffs. Also alow the filename
matching to use the "diff" line in addition to the "+++" line, since the
mode change lines appear before any "+++" lines.
Cc: Andy Whitcroft <apw@...onical.com>
Acked-by: Linus Walleij <linus.walleij@...ricsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@...ricsson.com>
---
scripts/checkpatch.pl | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2039acd..a6858be 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1308,7 +1308,7 @@ sub process {
$here = "#$realline: " if ($file);
# extract the filename as it passes
- if ($line=~/^\+\+\+\s+(\S+)/) {
+ if ($line =~ /^\+\+\+\s+(\S+)/ || $line =~ /^diff --git.*?(\S+)$/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
@@ -1318,6 +1318,10 @@ sub process {
WARN("patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n");
}
+ # filename based errors will anyway get printed when we
+ # get to the context lines
+ next if ($line =~ /^diff/);
+
if ($realfile =~ m@...clude/asm/@) {
ERROR("do not modify files in include/asm, change architecture specific files in include/asm-<architecture>\n" . "$here$rawline\n");
}
@@ -1332,6 +1336,14 @@ sub process {
$cnt_lines++ if ($realcnt != 0);
+# Check for incorrect file permissions
+ if ($line =~ /^new (file )?mode.*[7531]\d{0,2}$/) {
+ my $permhere = $here . "FILE: $realfile\n";
+ if ($realfile =~ /(Makefile|Kconfig|\.c|\.h|\.S|\.tmpl)$/) {
+ ERROR("do not set execute permissions for source files\n" . $permhere);
+ }
+ }
+
#check the patch for a signoff:
if ($line =~ /^\s*signed-off-by:/i) {
# This is a signoff, if ugly, so do not double report.
--
1.7.2.dirty
--
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