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checkpatch: struct seq_operations should normally be const

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In the general use case struct seq_operations should be a const object.
Check for and warn where it is not.

Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Whitcroft 2009-01-15 13:51:07 -08:00 committed by Linus Torvalds
parent 3966778236
commit 6903ffb225
1 changed files with 4 additions and 3 deletions
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7
scripts/checkpatch.pl
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@ -2527,9 +2527,10 @@ sub process {
WARN("please use device_initcall() instead of __initcall()\n" . $herecurr);
}
# check for struct file_operations, ensure they are const.
if ($line =~ /\bstruct\s+file_operations\b/ &&
$line !~ /\bconst\b/) {
WARN("struct file_operations should normally be const\n" . $herecurr);
if ($line !~ /\bconst\b/ &&
$line =~ /\bstruct\s+(file_operations|seq_operations)\b/) {
WARN("struct $1 should normally be const\n" .
$herecurr);
}
# use of NR_CPUS is usually wrong