Re: [PATCH] fs/9p: fix readdir()

[Al Viro]

On Wed, Apr 22, 2015 at 11:55:14AM +0200, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@xxxxxxxxx>
> 
> Al Viro's IOV changes broke 9p readdir() because the new code
> didn't abort the read when it returned nothing. The original
> code checked if the combined error/length was <= 0 but in the
> new code that accidentally got changed to just an error check.
> 
> Add back the return from the function when nothing is read.

Nice catch...  FWIW, this hadn't been caught since it doesn't trigger
on 9P.L tests.  Applied, and testing setup fixed.
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