Re: [PATCH]md:dm.c Fix warning: statement with no effect

From: Alasdair G Kergon
Date: Sat Jul 31 2010 - 15:08:21 EST

On Sat, Jul 31, 2010 at 12:05:04PM -0700, Justin P. Mattock wrote:
> haven't heard any feedback on this any ideas?
>> Ive noticed that having CONFIG_BLK_DEV_INTEGRITY=n I get warning messages generated by GCC(below)
>> CC drivers/md/dm.o
>> drivers/md/dm.c: In function 'split_bvec':
>> drivers/md/dm.c:1117:3: warning: statement with no effect
>> drivers/md/dm.c: In function 'clone_bio':
>> drivers/md/dm.c:1145:3: warning: statement with no effect

I'd suggest hiding it inside the .h files and not trying to scatter #ifdefs
throughout the code.


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