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checkpatch: close filp_open loophole. 

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 Stepan Moskovchenko
parent cf31d1f177
commit 649c5e65f6
1 changed files with 7 additions and 0 deletions
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7
scripts/checkpatch.pl
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@ -4521,6 +4521,13 @@ sub process {
$herecurr);
}
# filp_open is a backdoor for sys_open
if ($line =~ /\b(filp_open)\b/) {
ERROR("FILE_OPS",
"$1 is inappropriate in kernel code.\n" .
$herecurr);
}
# read[bwl] & write[bwl] use too many barriers, use the _relaxed variants
if ($line =~ /\b((?:read|write)[bwl])\b/) {
ERROR("NON_RELAXED_IO",