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Subject[PATCH v2] checkpatch: Don't warn about returning EPOLL* defines
Date
The EPOLL* defines are bit definitions, not errno values, so they should
be returned as-is, not as negative values.

Signed-off-by: Ben Shelton <benjamin.h.shelton@intel.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
---
scripts/checkpatch.pl | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 592911a..67ca588 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4869,7 +4869,8 @@ sub process {
# Return of what appears to be an errno should normally be negative
if ($sline =~ /\breturn(?:\s*\(+\s*|\s+)(E[A-Z]+)(?:\s*\)+\s*|\s*)[;:,]/) {
my $name = $1;
- if ($name ne 'EOF' && $name ne 'ERROR') {
+ if ($name ne 'EOF' && $name ne 'ERROR' &&
+ $name !~ /EPOLL/) {
WARN("USE_NEGATIVE_ERRNO",
"return of an errno should typically be negative (ie: return -$1)\n" . $herecurr);
}
--
2.6.4
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