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author | Gregory Bean <gbean@codeaurora.org> | 2011-03-17 14:18:20 -0700 |
---|---|---|
committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:51:41 -0700 |
commit | 40bec6699af7f7bf33a9fd0aee419ee4b2840aa3 (patch) | |
tree | 1cfcac89f3a78e3ecc5fd4c5a7c087c87d392fdf | |
parent | 84ea4512d986bd6ee5482525880602f76f5d54d3 (diff) |
checkpatch: forbid filesystem accesses from within the kernel.
Use of the sys_open/close/read/write system calls from within
kernel code is inappropriate, and now triggers errors.
Change-Id: I98e20513c257d0664684b7144585853f617d771a
Signed-off-by: Gregory Bean <gbean@codeaurora.org>
(cherry picked from commit ee62f2afcac1bcb180b2f0dddf2c8f5cda54bc5b)
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
[abhimany: resolve trivial merge conflicts]
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>
-rwxr-xr-x | scripts/checkpatch.pl | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 7057ee01178b..8f972e746990 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -4894,6 +4894,13 @@ sub process { "Avoid line continuations in quoted strings\n" . $herecurr); } +# sys_open/read/write/close are not allowed in the kernel + if ($line =~ /\b(sys_(?:open|read|write|close))\b/) { + ERROR("FILE_OPS", + "$1 is inappropriate in kernel code.\n" . + $herecurr); + } + # warn about #if 0 if ($line =~ /^.\s*\#\s*if\s+0\b/) { WARN("IF_0", |