[PATCH -next] ocxl: Fix return value check in afu_ioctl()

[Michael Ellerman]

On Sat, 2019-05-04 at 07:04:30 UTC, Wei Yongjun wrote:
> In case of error, the function eventfd_ctx_fdget() returns ERR_PTR() and
> never returns NULL. The NULL test in the return value check should be
> replaced with IS_ERR().
> 
> This issue was detected by using the Coccinelle software.
> 
> Fixes: 060146614643 ("ocxl: move event_fd handling to frontend")
> Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
> Acked-by: Alastair D'Silva <alastair at d-silva.org>
> Acked-by: Andrew Donnellan <ajd at linux.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/6be6a8de1b55e719e3f9589491074371

cheers