[PATCH 06/12] eventpoll: use __anon_inode_getfd

[Christoph Hellwig]

Use __anon_inode_getfd instead of opencoding the logic using
get_unused_fd_flags + anon_inode_getfile.

Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 fs/eventpoll.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 8c596641a72b0..8abdb9fff611a 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -2055,23 +2055,14 @@ static int do_epoll_create(int flags)
         * Creates all the items needed to setup an eventpoll file. That is,
         * a file structure and a free file descriptor.
         */
-       fd = get_unused_fd_flags(O_RDWR | (flags & O_CLOEXEC));
-       if (fd < 0) {
-               error = fd;
+       fd = __anon_inode_getfd("[eventpoll]", &eventpoll_fops, ep,
+                                O_RDWR | (flags & O_CLOEXEC), &file);
+       if (fd < 0)
                goto out_free_ep;
-       }
-       file = anon_inode_getfile("[eventpoll]", &eventpoll_fops, ep,
-                                O_RDWR | (flags & O_CLOEXEC));
-       if (IS_ERR(file)) {
-               error = PTR_ERR(file);
-               goto out_free_fd;
-       }
        ep->file = file;
        fd_install(fd, file);
        return fd;
 
-out_free_fd:
-       put_unused_fd(fd);
 out_free_ep:
        ep_free(ep);
        return error;
-- 
2.26.2