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Date:   Wed, 28 Dec 2022 15:31:27 +0100
From:   Greg Kroah-Hartman <>
Cc:     Greg Kroah-Hartman <>,, kernel test robot <>,
        David Howells <>,
        Marc Dionne <>,,,
        Sasha Levin <>
Subject: [PATCH 6.0 0299/1073] net, proc: Provide PROC_FS=n fallback for proc_create_net_single_write()

From: David Howells <>

[ 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 <>
Signed-off-by: David Howells <>
cc: Marc Dionne <>
Signed-off-by: Sasha Levin <>
 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 81d6e4ec2294..0260f5ea98fe 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -208,8 +208,10 @@ 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)

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