diff options
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 13d7a330b5dd..a4e8087a0cae 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2078,6 +2078,13 @@ sub process { WARN("kfree(NULL) is safe this check is probabally not required\n" . $hereprev); } } +# check for needless usb_free_urb() checks + if ($prevline =~ /\bif\s*\(([^\)]*)\)/) { + my $expr = $1; + if ($line =~ /\busb_free_urb\(\Q$expr\E\);/) { + WARN("usb_free_urb(NULL) is safe this check is probably not required\n" . $hereprev); + } + } # warn about #ifdefs in C files # if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) { |