net, proc: Provide PROC_FS=n fallback for proc_create_net_single_write()

[ 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: 7f4a6c171bc3 ("proc: Add a way to make network proc files writable")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 865d02c224adad12c118247d29833172856db6fb..b8d41d0e7b46e5c05e0c393d6b6ab358677e410a 100644 (file)
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -127,8 +127,10 @@ 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)
 {