Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c2010a3b authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

checkpatch: usb_free_urb() can take NULL 



usb_free_urb() can take a NULL, so let's check and warn about that.

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 9214d1d8

scripts/checkpatch.pl

+7 −0
Original line number Diff line number Diff line
@@ -1889,6 +1889,13 @@ 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 probabally not required\n" . $hereprev);

			}

		}



# warn about #ifdefs in C files

#		if ($line =~ /^.#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {