netdev - [PATCH 5.15 190/731] net, proc: Provide PROC_FS=n fallback for proc_create_net_single

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Message-Id: <20221228144302.066590087@linuxfoundation.org>
Date:   Wed, 28 Dec 2022 15:34:57 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        patches@...ts.linux.dev, kernel test robot <lkp@...el.com>,
        David Howells <dhowells@...hat.com>,
        Marc Dionne <marc.dionne@...istor.com>,
        linux-afs@...ts.infradead.org, netdev@...r.kernel.org,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 190/731] net, proc: Provide PROC_FS=n fallback for proc_create_net_single_write()

From: David Howells <dhowells@...hat.com>

[ Upstream commit c3d96f690a790074b508fe183a41e36a00cd7ddd ]

Provide a CONFIG_PROC_FS=n fallback for proc_create_net_single_write().

Also provide a fallback for proc_create_net_data_write().

Fixes: 564def71765c ("proc: Add a way to make network proc files writable")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Marc Dionne <marc.dionne@...istor.com>
cc: linux-afs@...ts.infradead.org
cc: netdev@...r.kernel.org
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/linux/proc_fs.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 069c7fd95396..a2f25b26ae1e 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -191,8 +191,10 @@ static inline void proc_remove(struct proc_dir_entry *de) {}
 static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
 
 #define proc_create_net_data(name, mode, parent, ops, state_size, data) ({NULL;})
+#define proc_create_net_data_write(name, mode, parent, ops, write, state_size, data) ({NULL;})
 #define proc_create_net(name, mode, parent, state_size, ops) ({NULL;})
 #define proc_create_net_single(name, mode, parent, show, data) ({NULL;})
+#define proc_create_net_single_write(name, mode, parent, show, write, data) ({NULL;})
 
 static inline struct pid *tgid_pidfd_to_pid(const struct file *file)
 {
-- 
2.35.1