As use of sys_open/close/read/write system calls from within the kernel code is inappropriate, an error is triggered if used.
Signed-off-by: Prakruthi Deepak Heragu <[email protected]> --- scripts/checkpatch.pl | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index a9c0550..e6e7e09 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5372,6 +5372,13 @@ 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/) { CHK("REDUNDANT_CODE", -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
