From: Anton Vorontsov <cbouatmailru@gmail.com>
To: Zang Roy-R61911 <r61911@freescale.com>
Cc: Wood Scott-B07421 <B07421@freescale.com>,
dedekind1@gmail.com, Lan Chunhe-B25806 <B25806@freescale.com>,
linuxppc-dev@ozlabs.org, linux-mtd@lists.infradead.org,
akpm@linux-foundation.org, dwmw2@infradead.org,
Gala Kumar-B11780 <B11780@freescale.com>
Subject: Re: [PATCH 2/3 v3] P4080/mtd: Only make elbc nand driver detect nand flash partitions
Date: Thu, 16 Sep 2010 14:14:29 +0400 [thread overview]
Message-ID: <20100916101429.GA27393@oksana.dev.rtsoft.ru> (raw)
In-Reply-To: <3850A844E6A3854C827AC5C0BEC7B60A1FC6DB@zch01exm23.fsl.freescale.net>
On Thu, Sep 16, 2010 at 06:08:14PM +0800, Zang Roy-R61911 wrote:
[...]
> Interesting.
> How about this?
> #include <stdio.h>
> #include <malloc.h>
>
> char *foo;
>
> void probe(void)
> {
> char *bar = NULL;
>
> if (!foo) {
> bar = malloc(sizeof(*bar));
> if (!bar)
> return;
> foo = bar;
> } else
> bar = foo;
This willl work of course; but I'd write it as
foo_lock();
if (!foo)
foo = alloc();
foo_unlock();
bar = foo;
bar->baz;
--
Anton Vorontsov
email: cbouatmailru@gmail.com
irc://irc.freenode.net/bd2
next prev parent reply other threads:[~2010-09-16 10:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-16 6:41 [PATCH 1/3 v3] P4080/eLBC: Make Freescale elbc interrupt common to elbc devices Roy Zang
2010-09-16 6:41 ` [PATCH 2/3 v3] P4080/mtd: Only make elbc nand driver detect nand flash partitions Roy Zang
2010-09-16 6:41 ` [PATCH 3/3 v3] P4080/mtd: Fix the freescale lbc issue with 36bit mode Roy Zang
2010-09-16 7:31 ` Anton Vorontsov
2010-09-16 7:36 ` Zang Roy-R61911
2010-09-16 8:21 ` [PATCH 2/3 v3] P4080/mtd: Only make elbc nand driver detect nand flash partitions Anton Vorontsov
2010-09-16 8:50 ` Zang Roy-R61911
2010-09-16 9:25 ` Anton Vorontsov
2010-09-16 10:08 ` Zang Roy-R61911
2010-09-16 10:14 ` Anton Vorontsov [this message]
2010-09-16 10:39 ` Zang Roy-R61911
2010-09-16 11:26 ` Anton Vorontsov
2010-09-16 16:14 ` Scott Wood
2010-09-16 16:40 ` Anton Vorontsov
2010-09-16 16:53 ` Scott Wood
2010-09-16 7:27 ` [PATCH 1/3 v3] P4080/eLBC: Make Freescale elbc interrupt common to elbc devices Anton Vorontsov
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