diff options
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 1eb5d2fa8d20..61090e0ff613 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -4019,6 +4019,23 @@ sub process { } } +# check for naked sscanf + if ($^V && $^V ge 5.10.0 && + defined $stat && + $stat =~ /\bsscanf\b/ && + ($stat !~ /$Ident\s*=\s*sscanf\s*$balanced_parens/ && + $stat !~ /\bsscanf\s*$balanced_parens\s*(?:$Compare)/ && + $stat !~ /(?:$Compare)\s*\bsscanf\s*$balanced_parens/)) { + my $lc = $stat =~ tr@\n@@; + $lc = $lc + $linenr; + my $stat_real = raw_line($linenr, 0); + for (my $count = $linenr + 1; $count <= $lc; $count++) { + $stat_real = $stat_real . "\n" . raw_line($count, 0); + } + WARN("NAKED_SSCANF", + "unchecked sscanf return value\n" . "$here\n$stat_real\n"); + } + # check for new externs in .h files. if ($realfile =~ /\.h$/ && $line =~ /^\+\s*(extern\s+)$Type\s*$Ident\s*\(/s) { |