From: Joe Damato <jdamato@fastly.com>
Date: Wed, 7 Aug 2024 10:52:31 +0000 (+0000)
Subject: eventpoll: Don't re-zero eventpoll fields
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4f98f380f4662829e394c840062ea677956b57ec;p=users%2Fdwmw2%2Flinux.git

eventpoll: Don't re-zero eventpoll fields

Remove redundant and unnecessary code.

ep_alloc uses kzalloc to create struct eventpoll, so there is no need to
set fields to defaults of 0. This was accidentally introduced in commit
85455c795c07 ("eventpoll: support busy poll per epoll instance") and
expanded on in follow-up commits.

Signed-off-by: Joe Damato <jdamato@fastly.com>
Link: https://lore.kernel.org/r/20240807105231.179158-1-jdamato@fastly.com
Reviewed-by: Martin Karsten <mkarsten@uwaterloo.ca>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index f53ca4f7fcedd..6c0a1e9715ea2 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -2200,11 +2200,6 @@ static int do_epoll_create(int flags)
 		error = PTR_ERR(file);
 		goto out_free_fd;
 	}
-#ifdef CONFIG_NET_RX_BUSY_POLL
-	ep->busy_poll_usecs = 0;
-	ep->busy_poll_budget = 0;
-	ep->prefer_busy_poll = false;
-#endif
 	ep->file = file;
 	fd_install(fd, file);
 	return fd;