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Message-ID: <20201028183525.GB2957431@kroah.com>
Date:   Wed, 28 Oct 2020 19:35:25 +0100
From:   Greg Kroah-Hartman <gregkh@...gle.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] proc "single files": switch to ->read_iter

Implement ->read_iter for all proc "single files" so that more bionic
tests cases can pass when they call splice() on other fun files like
/proc/version

Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/proc/generic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 2f9fa179194d..f81327673f49 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -621,7 +621,7 @@ static int proc_single_open(struct inode *inode, struct file *file)
 static const struct proc_ops proc_single_ops = {
 	/* not permanent -- can call into arbitrary ->single_show */
 	.proc_open	= proc_single_open,
-	.proc_read	= seq_read,
+	.proc_read_iter = seq_read_iter,
 	.proc_lseek	= seq_lseek,
 	.proc_release	= single_release,
 };
-- 
2.29.1

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