Re: [PATCH] btrfs: fix err_cast.cocci warnings

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On Mon, Jan 29, 2018 at 02:50:10AM +0800, kbuild test robot wrote:
> From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> 
> fs/btrfs/volumes.c:742:10-17: WARNING: ERR_CAST can be used with fs_devices
> 
> 
>  Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))
> 
> Generated by: scripts/coccinelle/api/err_cast.cocci
> 
> Fixes: bf155c98d312 ("btrfs: get device pointer from device_list_add()")
> CC: Anand Jain <anand.jain@xxxxxxxxxx>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>

Thanks for the fix, I'll fold it to the patch.
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