diff options
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 45027b9281..73efc927a9 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2473,6 +2473,10 @@ sub process { if ($line =~ /\b(strto[^kd].*?)\s*\(/) { ERROR("consider using qemu_$1 in preference to $1\n" . $herecurr); } +# recommend sigaction over signal for portability, when establishing a handler + if ($line =~ /\bsignal\s*\(/ && !($line =~ /SIG_(?:IGN|DFL)/)) { + ERROR("use sigaction to establish signal handlers; signal is not portable\n" . $herecurr); + } # check for module_init(), use category-specific init macros explicitly please if ($line =~ /^module_init\s*\(/) { ERROR("please use block_init(), type_init() etc. instead of module_init()\n" . $herecurr); |