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From:   Avi Kivity <avi@scylladb.com>
To:     Alexander Viro <viro@zeniv.linux.org.uk>
Cc:     hch@lst.de, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v1] Revert "eventfd: only return events requested in poll_mask()"
Date:   Sun, 17 Jun 2018 11:31:41 +0300
Message-Id: <20180617083141.26543-1-avi@scylladb.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This reverts commit 4d572d9f46507be8cfe326aa5bc3698babcbdfa7. It is
superceded by the more general
2739b807b0885a09996659be82f813af219c7360 ("aio: only return events
requested in poll_mask() for IOCB_CMD_POLL"). Unfortunately, hch
nacked it on the bug report rather than on the patch itself, so it
was picked up.
---
 fs/eventfd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/eventfd.c b/fs/eventfd.c
index ceb1031f1cac..61c9514da5e9 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -154,15 +154,15 @@ static __poll_t eventfd_poll_mask(struct file *file, __poll_t eventmask)
 	 *     eventfd_poll returns 0
 	 */
 	count = READ_ONCE(ctx->count);
 
 	if (count > 0)
-		events |= (EPOLLIN & eventmask);
+		events |= EPOLLIN;
 	if (count == ULLONG_MAX)
 		events |= EPOLLERR;
 	if (ULLONG_MAX - 1 > count)
-		events |= (EPOLLOUT & eventmask);
+		events |= EPOLLOUT;
 
 	return events;
 }
 
 static void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt)
-- 
2.14.4