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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: kernel-janitors@vger.kernel.org, linux-raid@vger.kernel.org,
	dm-devel@redhat.com, Shaohua Li <shli@kernel.org>,
	Milan Broz <gmazyland@gmail.com>,
	Alasdair Kergon <agk@redhat.com>
Subject: Re: dm crypt: remove an impossible condition
Date: Sat, 18 Mar 2017 07:14:22 +0300	[thread overview]
Message-ID: <20170318041422.GC4102@mwanda> (raw)
In-Reply-To: <20170317213819.GC6475@redhat.com>

On Fri, Mar 17, 2017 at 05:38:19PM -0400, Mike Snitzer wrote:
> On Fri, Mar 17 2017 at  4:46pm -0400,
> Dan Carpenter <dan.carpenter@oracle.com> wrote:
> 
> > Static checkers complain that it doesn't make sense to check if "sval"
> > is NULL.  The intention was to check if strchr() returned NULL, but in
> > that situation "sval" would be "NULL + 1" so the check doesn't work.  We
> > know from the sscanf() that there is a ':' character in the string so
> > the check is unnecessary and can be removed.
> > 
> > Now that the check doesn't depend on "sval" it can be moved earlier
> > for readability.
> > 
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> Thanks Dan, I've folded this fix into the original commit, see:
> https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-4.12&id=cf22cd5f3afe7335afee5659f7450000e8fa2a15
> 
> I didn't add your Signed-off-by though, I can backfill that if you
> like.. it is just I didn't want to taint you with all the extensive
> changes in that commit.

That's fine, thanks.  Sign-off isn't really the appropriate tag anyway...

regards,
dan carpenter

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: kernel-janitors@vger.kernel.org, linux-raid@vger.kernel.org,
	dm-devel@redhat.com, Shaohua Li <shli@kernel.org>,
	Milan Broz <gmazyland@gmail.com>,
	Alasdair Kergon <agk@redhat.com>
Subject: Re: dm crypt: remove an impossible condition
Date: Sat, 18 Mar 2017 04:14:22 +0000	[thread overview]
Message-ID: <20170318041422.GC4102@mwanda> (raw)
In-Reply-To: <20170317213819.GC6475@redhat.com>

On Fri, Mar 17, 2017 at 05:38:19PM -0400, Mike Snitzer wrote:
> On Fri, Mar 17 2017 at  4:46pm -0400,
> Dan Carpenter <dan.carpenter@oracle.com> wrote:
> 
> > Static checkers complain that it doesn't make sense to check if "sval"
> > is NULL.  The intention was to check if strchr() returned NULL, but in
> > that situation "sval" would be "NULL + 1" so the check doesn't work.  We
> > know from the sscanf() that there is a ':' character in the string so
> > the check is unnecessary and can be removed.
> > 
> > Now that the check doesn't depend on "sval" it can be moved earlier
> > for readability.
> > 
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> Thanks Dan, I've folded this fix into the original commit, see:
> https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-4.12&idÏ22cd5f3afe7335afee5659f7450000e8fa2a15
> 
> I didn't add your Signed-off-by though, I can backfill that if you
> like.. it is just I didn't want to taint you with all the extensive
> changes in that commit.

That's fine, thanks.  Sign-off isn't really the appropriate tag anyway...

regards,
dan carpenter

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  reply	other threads:[~2017-03-18  4:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-17 20:46 [PATCH] dm crypt: remove an impossible condition Dan Carpenter
2017-03-17 20:46 ` Dan Carpenter
2017-03-17 21:38 ` Mike Snitzer
2017-03-17 21:38   ` Mike Snitzer
2017-03-18  4:14   ` Dan Carpenter [this message]
2017-03-18  4:14     ` Dan Carpenter

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