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checkpatch: emit a warning on embedded filenames

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Embedding the complete filename path inside the file isn't particularly
useful as often the path is moved around and becomes incorrect.

Emit a warning when the source contains the filename.

[akpm@linux-foundation.org: remove stray " di"]

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/1fd5f9188a14acdca703ca00301ee323de672a8d.camel@perches.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2020-10-15 20:12:19 -07:00 committed by Linus Torvalds
parent e7f929f3ca
commit a0154cdbd3
1 changed files with 6 additions and 0 deletions
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6
scripts/checkpatch.pl
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@ -3271,6 +3271,12 @@ sub process {
}
}
# check for embedded filenames
if ($rawline =~ /^\+.*\Q$realfile\E/) {
WARN("EMBEDDED_FILENAME",
"It's generally not useful to have the filename in the file\n" . $herecurr);
}
# check we are in a valid source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c|s|S|sh|dtsi|dts)$/);