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checkpatch: close filp_open loophole.

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filp_open allows people to get around the ban on sys_open.
Close the loophole.

Change-Id: I6e2be62e848cbc064e07008d0886c0d003c8be4b
Signed-off-by: Gregory Bean <gbean@codeaurora.org>
(cherry picked from commit bb181a18a813a70176f71a0c64aa572fcfbef0f0)
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
This commit is contained in:
Gregory Bean 2011-06-07 08:06:45 -07:00 committed by Kyle Yan
parent 8582a50b61
commit 13611e09c2
1 changed files with 7 additions and 0 deletions
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7
scripts/checkpatch.pl
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@ -4987,6 +4987,13 @@ sub process {
$herecurr); $herecurr);
} }
# filp_open is a backdoor for sys_open
if ($line =~ /\b(filp_open)\b/) {
ERROR("FILE_OPS",
"$1 is inappropriate in kernel code.\n" .
$herecurr);
}
# read[bwl] & write[bwl] use too many barriers, use the _relaxed variants # read[bwl] & write[bwl] use too many barriers, use the _relaxed variants
if ($line =~ /\b((?:read|write)[bwl])\b/) { if ($line =~ /\b((?:read|write)[bwl])\b/) {
ERROR("NON_RELAXED_IO", ERROR("NON_RELAXED_IO",