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authorJoe Perches <joe@perches.com>2015-04-16 12:44:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-17 09:03:57 -0400
commitf34e4a4f979c0d39f741bc809127fcf2167a7389 (patch)
tree5b6c1eaa617df0d50841d58ef2ee38fc3c22144d /scripts
parentb392c64f59d7b088aefb4e86d208cd6d3b93eefb (diff)
downloadkernel-f34e4a4f979c0d39f741bc809127fcf2167a7389.tar.gz
checkpatch: improve return negative errno check
Add a few conditions to the test to find return (ERRNO); Make the output message a bit less cryptic too. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl6
1 files changed, 3 insertions, 3 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5748c35d0342..45babf2243f3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4009,12 +4009,12 @@ sub process {
}
}
-# Return of what appears to be an errno should normally be -'ve
- if ($line =~ /^.\s*return\s*(E[A-Z]*)\s*;/) {
+# Return of what appears to be an errno should normally be negative
+ if ($sline =~ /\breturn(?:\s*\(+\s*|\s+)(E[A-Z]+)(?:\s*\)+\s*|\s*)[;:,]/) {
my $name = $1;
if ($name ne 'EOF' && $name ne 'ERROR') {
WARN("USE_NEGATIVE_ERRNO",
- "return of an errno should typically be -ve (return -$1)\n" . $herecurr);
+ "return of an errno should typically be negative (ie: return -$1)\n" . $herecurr);
}
}