Re: [PATCH] btrfs: oops in device_list_add()

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Subject: Re: [PATCH] btrfs: oops in device_list_add()
From: David Sterba <dsterba@xxxxxxx>
Date: Mon, 28 Jan 2019 16:04:20 +0100
Cc: linux-btrfs@xxxxxxxxxxxxxxx, Nikolay Borisov <nborisov@xxxxxxxx>
In-reply-to: <20190127045755.GH2217@ZenIV.linux.org.uk>
Mail-followup-to: dsterba@xxxxxxx, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, linux-btrfs@xxxxxxxxxxxxxxx, Nikolay Borisov <nborisov@xxxxxxxx>
References: <20190127045755.GH2217@ZenIV.linux.org.uk>
Reply-to: dsterba@xxxxxxx
User-agent: Mutt/1.5.23.1 (2014-03-12)

On Sun, Jan 27, 2019 at 04:58:00AM +0000, Al Viro wrote:
> 	alloc_fs_devices() can return ERR_PTR(-ENOMEM), so
> dereferencing its result before the check for IS_ERR() is
> a bad idea...
> 
> Fixes: d1a63002829a4
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

Thanks, added to 5.0-rc queue.

References:
- [PATCH] btrfs: oops in device_list_add()
  - From: Al Viro

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