[-next] ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()

[Michael Ellerman]

On Tue, 2018-06-05 at 09:16:21 UTC, Wei Yongjun wrote:
> Add the missing unlock before return from function
> afu_ioctl_enable_p9_wait() in the error handling case.
> 
> Fixes: e948e06fc63a ("ocxl: Expose the thread_id needed for wait on POWER9")
> Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
> Reviewed-by: Alastair D'Silva <alastair at d-silva.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/2e5c93d6bb2f7bc17eb82748943a1b

cheers