[PATCH 5.15 190/731] net, proc: Provide PROC_FS=n fallback for proc_create_net_single_write()

Greg Kroah-Hartman
2022-12-28T14:54:23Z

From: David Howells <dhowells@redhat.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@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>
---
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