linux-kernel - Re: [PATCH v2 2/3] device property: the secondary fwnode needs to depend on the primary

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20151229084020.GA19870@kuha.fi.intel.com>
Date:	Tue, 29 Dec 2015 10:40:21 +0200
From:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>, linux-acpi@...r.kernel.org
Subject: Re: [PATCH v2 2/3] device property: the secondary fwnode needs to
 depend on the primary

Hi Andy,

Found a bug from my code..

> diff --git a/drivers/base/property.c b/drivers/base/property.c
> index 0b22c8a..6c04d18 100644
> --- a/drivers/base/property.c
> +++ b/drivers/base/property.c
> @@ -218,7 +218,7 @@ bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname)
>  	bool ret;
>  
>  	ret = __fwnode_property_present(fwnode, propname);
> -	if (ret == false && fwnode->secondary)
> +	if (ret == false && fwnode && fwnode->secondary)
>  		ret = __fwnode_property_present(fwnode->secondary, propname);
>  	return ret;
>  }
> @@ -423,7 +423,7 @@ EXPORT_SYMBOL_GPL(device_property_match_string);
>  	int _ret_;									\
>  	_ret_ = FWNODE_PROP_READ(_fwnode_, _propname_, _type_, _proptype_,		\
>  				 _val_, _nval_);					\
> -	if (_ret_ == -EINVAL && _fwnode_->secondary)					\
> +	if (_ret_ == -EINVAL && fwnode && _fwnode_->secondary)				\

This should be .._fwnode_ && _fwnode_->secondary)

>  		_ret_ = FWNODE_PROP_READ(_fwnode_->secondary, _propname_, _type_,	\
>  				_proptype_, _val_, _nval_);				\
>  	_ret_;										\


Cheers,

-- 
heikki
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/