lib/devres.c:116:3: error: implicit declaration of function 'ERR_PTR'

Greg Kroah-Hartman gregkh at linuxfoundation.org
Tue Jan 22 20:45:57 UTC 2013


On Wed, Jan 23, 2013 at 04:25:16AM +0800, kbuild test robot wrote:
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-next
> head:   75096579c3ac39ddc2f8b0d9a8924eba31f4d920
> commit: 75096579c3ac39ddc2f8b0d9a8924eba31f4d920 lib: devres: Introduce devm_ioremap_resource()
> date:   3 hours ago
> config: make ARCH=openrisc or1ksim_defconfig
> 
> All error/warnings:
> 
>    lib/devres.c: In function 'devm_ioremap_resource':
> >> lib/devres.c:116:3: error: implicit declaration of function 'ERR_PTR'
> >> lib/devres.c:116:3: warning: return makes pointer from integer without a cast
>    lib/devres.c:124:3: warning: return makes pointer from integer without a cast
> >> lib/devres.c:135:12: warning: assignment makes pointer from integer without a cast
>    lib/devres.c: In function 'devm_request_and_ioremap':
> >> lib/devres.c:163:2: error: implicit declaration of function 'IS_ERR'
> 
> vim +/ERR_PTR +116 lib/devres.c
> 
>    110		void __iomem *dest_ptr;
>    111	
>    112		BUG_ON(!dev);
>    113	
>    114		if (!res || resource_type(res) != IORESOURCE_MEM) {
>    115			dev_err(dev, "invalid resource\n");
>  > 116			return ERR_PTR(-EINVAL);

Thierry, care to send me a patch to add err.h to this file to fix this
error?

thanks,

greg k-h



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