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Re: [PATCH][V2] btrfs: remove redundant inode null check

From David Sterba <dsterba@suse.cz>
Newsgroups linux.kernel
Subject Re: [PATCH][V2] btrfs: remove redundant inode null check
Date 2016-12-20 17:30 +0100
Message-ID <sQvsB-7Tp-1@gated-at.bofh.it> (permalink)
References <sQviW-7Qa-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, Dec 20, 2016 at 04:18:37PM +0000, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The check for a null inode is redundant since the function
> is a callback for exportfs, which will itself crash if
> dentry->d_inode or parent->d_inode is NULL.  Removing the
> null check makes this consistent with other file systems.
> 
> Also remove the redundant null dir check too.
> 
> Found with static analysis by CoverityScan, CID 1389472
> 
> Kudos to Jeff Mahoney for reviewing and explaining the error in
> my original patch (most of this explanation went into the above
> commit message) and David Sterba for pointing out that the dir
> check is also redundant.
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Reviewed-by: David Sterba <dsterba@suse.com>

Added to cleanups queue, thanks.

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[PATCH][V2] btrfs: remove redundant inode null check Colin King <colin.king@canonical.com> - 2016-12-20 17:20 +0100
  Re: [PATCH][V2] btrfs: remove redundant inode null check David Sterba <dsterba@suse.cz> - 2016-12-20 17:30 +0100

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