Re: [PATCH v2] nitro_enclaves: Fixup type and simplify logic of the poll mask setup

From: Paraschiv, Andra-Irina
Date: Mon Nov 02 2020 - 13:44:01 EST




On 02/11/2020 19:50, Alexander Graf wrote:


On 02.11.20 18:36, Andra Paraschiv wrote:
Update the assigned value of the poll result to be EPOLLHUP instead of
POLLHUP to match the __poll_t type.

While at it, simplify the logic of setting the mask result of the poll
function.

Changelog

v1 -> v2

* Simplify the mask setting logic from the poll function.

Signed-off-by: Andra Paraschiv <andraprs@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>

Reviewed-by: Alexander Graf <graf@xxxxxxxxxx>



Greg, let me know if there is anything remaining to be done for this patch. Otherwise, can you please add the patch to the char-misc tree.

Thanks,
Andra


---
  drivers/virt/nitro_enclaves/ne_misc_dev.c | 6 ++----
  1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/virt/nitro_enclaves/ne_misc_dev.c b/drivers/virt/nitro_enclaves/ne_misc_dev.c
index f06622b48d695..f1964ea4b8269 100644
--- a/drivers/virt/nitro_enclaves/ne_misc_dev.c
+++ b/drivers/virt/nitro_enclaves/ne_misc_dev.c
@@ -1505,10 +1505,8 @@ static __poll_t ne_enclave_poll(struct file *file, poll_table *wait)
        poll_wait(file, &ne_enclave->eventq, wait);
  -    if (!ne_enclave->has_event)
-        return mask;
-
-    mask = POLLHUP;
+    if (ne_enclave->has_event)
+        mask |= EPOLLHUP;
        return mask;
  }





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