Re: [PATCH] btrfs: fix error pointer dereference in btrfs_ioctl_rm_dev_v2()

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On Tue, Nov 16, 2021 at 02:50:25PM +0300, Dan Carpenter wrote:
> If memdup_user() fails the error handing will crash when it tries
> to kfree() an error pointer.  Just return directly because there is
> no cleanup required.
> 
> Fixes: 1a15eb724aae ("btrfs: use btrfs_get_dev_args_from_path in dev removal ioctls")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Added to misc-next, thanks.



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