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Subject[PATCH 11/13] net: Move prototype declaration to header file include/net/net_namespace.h from net/ipx/af_ipx.c
Move prototype declaration of function to header file
include/net/net_namespace.h from net/ipx/af_ipx.c because they are used
by more than one file.

This eliminates the following warning in net/ipx/sysctl_net_ipx.c:
net/ipx/sysctl_net_ipx.c:33:6: warning: no previous prototype for ‘ipx_register_sysctl’ [-Wmissing-prototypes]
net/ipx/sysctl_net_ipx.c:38:6: warning: no previous prototype for ‘ipx_unregister_sysctl’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <>
include/net/net_namespace.h | 3 +++
net/ipx/af_ipx.c | 6 ++----
2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index da68c9a..a43435c 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -162,6 +162,9 @@ extern struct list_head net_namespace_list;
struct net *get_net_ns_by_pid(pid_t pid);
struct net *get_net_ns_by_fd(int pid);

+void ipx_register_sysctl(void);
+void ipx_unregister_sysctl(void);
void __put_net(struct net *net);

diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 224d058..aa2abb8 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -54,13 +54,11 @@
#include <net/sock.h>
#include <net/datalink.h>
#include <net/tcp_states.h>
+#include <net/net_namespace.h>

#include <asm/uaccess.h>

-extern void ipx_register_sysctl(void);
-extern void ipx_unregister_sysctl(void);
#define ipx_register_sysctl()
#define ipx_unregister_sysctl()
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