From: Fang Wenqi <anton.fang@gmail.com>
To: jgarzik@redhat.com, linux-ide@vger.kernel.org
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, antonf@turbolinux.com.cn
Subject: Re: [PATCH] drivers/ata/libata-eh.c: fix unused variable warning
Date: Thu, 22 Apr 2010 09:23:26 +0800 [thread overview]
Message-ID: <4BCFA50E.80800@gmail.com> (raw)
In-Reply-To: <4BCF1247.8080508@gmail.com>
Sorry that the title should be:
"fix uninitialized variable warning"
not
"fix unused variable warning"
Need I re-send the patch mail ?
On 04/21/2010 10:57 PM, Fang Wenqi wrote:
>
> I'm using gcc 4.4.3 on Fedora 12:
>
> $ gcc -v
> Using built-in specs.
> Target: i686-redhat-linux
> Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
> --infodir=/usr/share/info
> --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap
> --enable-shared --enable-threads=posix --enable-checking=release
> --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions
> --enable-gnu-unique-object
> --enable-languages=c,c++,objc,obj-c++,java,fortran,ada
> --enable-java-awt=gtk --disable-dssi --enable-plugin
> --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
> --enable-libgcj-multifile --enable-java-maintainer-mode
> --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
> --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic
> --with-arch=i686 --build=i686-redhat-linux
> Thread model: posix
> gcc version 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC)
>
>
> On 04/21/2010 10:24 PM, Alan Cox wrote:
>> On Wed, 21 Apr 2010 22:07:26 +0800
>> Fang Wenqi<anton.fang@gmail.com> wrote:
>>
>>> CC drivers/ata/libata-eh.o
>>> drivers/ata/libata-eh.c: In function ‘ata_eh_analyze_ncq_error’:
>>> drivers/ata/libata-eh.c:1642: warning: ‘tf.flags’ may be used
>>> uninitialized in this function
>>
>> Which compiler are you using. gcc 4.4.3 seems to have no trouble working
>> this out correctly and issues no warning ?
>>
>
next prev parent reply other threads:[~2010-04-22 1:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-21 14:07 [PATCH] drivers/ata/libata-eh.c: fix unused variable warning Fang Wenqi
2010-04-21 14:24 ` Alan Cox
2010-04-21 14:57 ` Fang Wenqi
2010-04-22 1:23 ` Fang Wenqi [this message]
2010-04-23 6:30 ` Tejun Heo
2010-04-23 6:43 ` Jeff Garzik
2010-04-23 7:01 ` Tejun Heo
2010-04-23 13:52 ` Jeff Garzik
2010-04-23 14:02 ` Tejun Heo
2010-04-23 14:07 ` Sergei Shtylyov
2010-04-23 14:18 ` Jeff Garzik
2010-04-23 6:48 ` Fang Wenqi
2010-04-23 1:54 ` Jeff Garzik
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