Subject: Re: linux-next: build warning in Linus' tree

From: Konrad Rzeszutek Wilk <[email-masked]>
Date: Mon, 16 Apr 2012 21:45:03 -0400

On Tue, Apr 17, 2012 at 10:44:30AM +1000, Stephen Rothwell wrote:
> Hi Konrad,
> 
> Building Linus' tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
> 
> drivers/block/xen-blkback/xenbus.c: In function 'xen_blkbk_discard':
> drivers/block/xen-blkback/xenbus.c:419:4: warning: passing argument 1 of 'dev_warn' makes pointer from integer without a cast [enabled by default]
> include/linux/device.h:894:5: note: expected 'const struct device *' but argument is of type 'long int'
> 
> Introduced by commit 3389bb8bf761 ("xen/blkback: Make optional features
> be really optional").  Passing "dev-dev" to dev_warn() was hopefully not
> intended ...

No it was not. Not even sure how that mistake passed my compile test.

> 
> -- 
> Cheers,
> Stephen Rothwell                    [email-masked]