lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:	Wed, 15 May 2013 20:20:21 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Rob Landley <rob@...dley.net>
Cc:	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eduardo Valentin <eduardo.valentin@...com>
Subject: [patch] Documentation: allow multiple return statements per function

A surprising number of newbies interpret this section to mean that only
one return statement is allowed per function.  Part of the problem is
that the "one return statement per function" rule is an actual style
guideline that people are used to from other projects.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle
index e00b8f0..7fe0546 100644
--- a/Documentation/CodingStyle
+++ b/Documentation/CodingStyle
@@ -389,7 +389,8 @@ Albeit deprecated by some people, the equivalent of the goto statement is
 used frequently by compilers in form of the unconditional jump instruction.
 
 The goto statement comes in handy when a function exits from multiple
-locations and some common work such as cleanup has to be done.
+locations and some common work such as cleanup has to be done.  If there is no
+cleanup needed then just return directly.
 
 The rationale is:
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ