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@xxxxxxxxx> 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 ?
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