linux-kernel - Re: [PATCH] powerpc/BSR: cleanup the error path of bsr

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Date:	Sun, 15 Jul 2012 19:52:17 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Devendra Naga <develkernel412222@...il.com>
Cc:	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/BSR: cleanup the error path of bsr_init

On Sunday 15 July 2012, Devendra Naga wrote:
> class_create if succeeded returns a pointer to the struct class,
> and if it fails, it returns a value enclosed by the pointer, which
> can be read by using PTR_ERR.
> 
> Handle the error and return it.
> 
> result is for error checking of the alloc_chrdev_region, instead
> ret can be used, and also if the alloc_chrdev_region fail,
> we are still returning -ENODEV, use ret and the error path will
> take care of returning of the ret.
> 
> Signed-off-by: Devendra Naga <develkernel412222@...il.com>

Acked-by: Arnd Bergmann <arnd@...db.de>
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