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From: Joe Perches <joe@perches.com>
To: SF Markus Elfring <elfring@users.sourceforge.net>,
	tipc-discussion@lists.sourceforge.net, netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
	Jon Maloy <jon.maloy@ericsson.com>,
	Ying Xue <ying.xue@windriver.com>,
	LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org
Subject: Re: tipc: Delete error messages for failed memory allocations in three functions
Date: Tue, 23 May 2017 16:39:37 +0000	[thread overview]
Message-ID: <1495557577.2093.66.camel@perches.com> (raw)
In-Reply-To: <d07d0b1f-0038-e91d-4748-ea3e6dfb93f0@users.sourceforge.net>

On Tue, 2017-05-23 at 18:23 +0200, SF Markus Elfring wrote:
> > tipc_subseq_alloc does a kcalloc (memset to 0),
> > half of which is immediately overwritten.
> > 
> > In other words, don't just blindly remove stuff,
> > understand what it does and improve it.
> 
> Do you suggest another specific source code transformation pattern here?

For the somewhat hard-of-thinking,
something like krealloc would do nicely.


WARNING: multiple messages have this Message-ID (diff)
From: Joe Perches <joe@perches.com>
To: SF Markus Elfring <elfring@users.sourceforge.net>,
	tipc-discussion@lists.sourceforge.net, netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
	Jon Maloy <jon.maloy@ericsson.com>,
	Ying Xue <ying.xue@windriver.com>,
	LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org
Subject: Re: tipc: Delete error messages for failed memory allocations in three functions
Date: Tue, 23 May 2017 09:39:37 -0700	[thread overview]
Message-ID: <1495557577.2093.66.camel@perches.com> (raw)
In-Reply-To: <d07d0b1f-0038-e91d-4748-ea3e6dfb93f0@users.sourceforge.net>

On Tue, 2017-05-23 at 18:23 +0200, SF Markus Elfring wrote:
> > tipc_subseq_alloc does a kcalloc (memset to 0),
> > half of which is immediately overwritten.
> > 
> > In other words, don't just blindly remove stuff,
> > understand what it does and improve it.
> 
> Do you suggest another specific source code transformation pattern here?

For the somewhat hard-of-thinking,
something like krealloc would do nicely.

  reply	other threads:[~2017-05-23 16:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-23 13:07 [PATCH] tipc: Delete error messages for failed memory allocations in three functions SF Markus Elfring
2017-05-23 13:07 ` SF Markus Elfring
2017-05-23 14:02 ` Joe Perches
2017-05-23 14:02   ` Joe Perches
2017-05-23 16:23   ` SF Markus Elfring
2017-05-23 16:23     ` SF Markus Elfring
2017-05-23 16:39     ` Joe Perches [this message]
2017-05-23 16:39       ` Joe Perches

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