linux-kernel - Q: return of pinctrl_register and handing at drivers that use this function

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-next>] [day] [month] [year] [list]

Message-ID: <CAHdPZaNF-Tgz_ncnrJp7xsCbGWEgcfmj_yuY0Q8EiWRt-g0rFw@mail.gmail.com>
Date:	Mon, 18 Jun 2012 17:17:22 +0530
From:	"devendra.aaru" <devendra.aaru@...il.com>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Stephen Warren <swarren@...dotorg.org>,
	linux-kernel@...r.kernel.org
Subject: Q: return of pinctrl_register and handing at drivers that use this function

Hi,

since the pinctrl_register returns a pointer of structure type "struct
pinctrl_dev" or NULL if it was failed to register the pinctrl driver,
so IS_ERR checking is not required?

My understanding about IS_ERR is that its used when the pointer
addresses are kind of error codes rather actual addresses,
but are a kind of return codes of functions returning integer types.

Please correct me if my understanding is not correct.

Thanks,
Devendra.
--
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/