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From: Eric Sandeen <sandeen@sandeen.net>
To: Dave Chinner <david@fromorbit.com>, Jeff Liu <jeff.liu@oracle.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH] xfs: remote attribute overwrite causes transaction overrun
Date: Tue, 22 Apr 2014 22:04:58 -0500	[thread overview]
Message-ID: <53572DDA.8080302@sandeen.net> (raw)
In-Reply-To: <20140423000042.GO18672@dastard>

On 4/22/14, 7:00 PM, Dave Chinner wrote:
> On Wed, Apr 23, 2014 at 09:46:28AM +1000, Dave Chinner wrote:
>> On Tue, Apr 22, 2014 at 08:00:55PM +0800, Jeff Liu wrote:
>>>
>>> On 04/22 2014 14:59 PM, Dave Chinner wrote:

...
  
>>>> +	/* remote value might be different size to the buffer supplied. */
>>>> +	if (args->rmtvaluelen = args->valuelen)
>>> 			     ^^^
>>> Here is a typo...
>>
>> Oh, well spotted.
>>
>> But, hold on a minute, shouldn't gcc be catching those sorts of
>> typos?
>>
>> /me groans
>>
>> $ gcc t.c
>> $ gcc -Wall t.c
>> t.c: In function ¿main¿:
>> t.c:10:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
>>   if (foo = bar)
>>   ^
>> $
>>
>> Only if -Wparentheses is specified.
>>
>> Why the hell are we suppressing useful warnings on the kernel build?
> 
> Hmmm - looks like I missed the output of the warning when I built
> against 3.15-rc2 because it was a rebuild the world and there's tons
> of output when that happens...
> 
> <sigh>
> 
> Time to add ccflags-y += -Werror to the makefile....

Probably only under a couple specific arches...?  How are we for i.e.
stupid printf format warnings about long vs. longlong on 32/64 arches...?

Or maybe you can -Werror, -Wno$FOO?

-Eric
 
> Cheers,
> 
> Dave.
> 

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  reply	other threads:[~2014-04-23  3:05 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-22  6:59 [PATCH] xfs: remote attribute overwrite causes transaction overrun Dave Chinner
2014-04-22 12:00 ` Jeff Liu
2014-04-22 23:46   ` Dave Chinner
2014-04-23  0:00     ` Dave Chinner
2014-04-23  3:04       ` Eric Sandeen [this message]
2014-04-23  5:54         ` Dave Chinner
2014-04-23  2:13     ` Jeff Liu
2014-04-22 14:17 ` Brian Foster
2014-04-23  0:29   ` Dave Chinner

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