From mboxrd@z Thu Jan 1 00:00:00 1970
From: Philipp Zabel
Date: Fri, 10 May 2019 10:25:27 +0000
Subject: Re: [PATCH][V2] reset: remove redundant null check on pointer dev
Message-Id: <1557483927.7859.3.camel@pengutronix.de>
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References: <20190510095832.28233-1-colin.king@canonical.com>
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To: Bartosz Golaszewski , Colin King
Cc: kernel-janitors@vger.kernel.org, LKML
On Fri, 2019-05-10 at 12:14 +0200, Bartosz Golaszewski wrote:
> pt., 10 maj 2019 o 11:58 Colin King napisa=C5=
=82(a):
> >=20
> > From: Colin Ian King
> >=20
> > Pointer dev is being dereferenced when passed to the inlined
> > functon dev_name, however, dev is later being null checked
> > so at first this seems like a potential null pointer dereference.
> >=20
> > In fact, _reset_control_get_from_lookup is only ever called from
> > __reset_control_get, right after checking dev->of_node hence
> > dev can never be null. Clean this up by removing the redundant
> > null check.
> >=20
> > Thanks to Philipp Zabel for spotting that dev can never be null.
> >=20
> > Addresses-Coverity: ("Dereference before null check")
> > Fixes: 6691dffab0ab ("reset: add support for non-DT systems")
> > Signed-off-by: Colin Ian King
[...]
> Reviewed-by: Bartosz Golaszewski
Thank you both, applied to reset/fixes.
regards
Philipp