Re: [PULL] bcache: fix cache_set_flush() NULL pointer dereference on OOM

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On Tue, 8 Mar 2016, Jens Axboe wrote:

> On 03/07/2016 04:36 PM, Eric Wheeler wrote:
> > Hi Jens,
> >
> > Here is another OOM fix for bcache.  Please pull:
> >
> >    git pull https://bitbucket.org/ewheelerinc/linux.git
> >    v4.5-rc7-bcache-fixes
> >
> >   # git diff --stat v4.5-rc7
> >   drivers/md/bcache/super.c | 3 +++
> >   1 file changed, 3 insertions(+)
> 
> I pulled this and the previous, but for 4.6. They are all marked stable, so
> that should be fine.
> 
> Note that your 2nd patch in the -rc6 branch, this one:
> 
> bcache: cleaned up error handling around register_cache()
> 
> had a 4 cases of trailing white space. Please ensure that future patches are
> cleaned up, I fixed that one up.

Interesting, do you mean whitespace at the end of a line with code or 
empty lines containing whitespace or both?  Something matched by [ ]+$  ?

Is it acceptable to have empty likes whith whitespace leading up to the 
indent level?  eg:
	if (1) {
		foo
		<<whitespace-to-here but line is blank
		bar
	}

-Eric

> 
> -- 
> Jens Axboe
> 
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