[AX.25]: Mark all kmalloc users __must_check
The recent fix 0506d4068bad834aab1141b5dc5e748eb175c6b3 made obvious that
error values were not being propagated through the AX.25 stack. To help
with that this patch marks all kmalloc users in the AX.25, NETROM and
ROSE stacks as __must_check.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 14b72d8..ced202f 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -277,7 +277,7 @@
extern ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *, struct net_device *);
extern void ax25_send_to_raw(ax25_address *, struct sk_buff *, int);
extern void ax25_destroy_socket(ax25_cb *);
-extern ax25_cb *ax25_create_cb(void);
+extern ax25_cb * __must_check ax25_create_cb(void);
extern void ax25_fillin_cb(ax25_cb *, ax25_dev *);
extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *);
@@ -333,11 +333,12 @@
extern void ax25_ds_idletimer_expiry(ax25_cb *);
/* ax25_iface.c */
-extern int ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *));
+extern int __must_check ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *));
extern void ax25_protocol_release(unsigned int);
-extern int ax25_linkfail_register(void (*)(ax25_cb *, int));
+extern int __must_check ax25_linkfail_register(void (*)(ax25_cb *, int));
extern void ax25_linkfail_release(void (*)(ax25_cb *, int));
-extern int ax25_listen_register(ax25_address *, struct net_device *);
+extern int __must_check ax25_listen_register(ax25_address *,
+ struct net_device *);
extern void ax25_listen_release(ax25_address *, struct net_device *);
extern int (*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *);
extern int ax25_listen_mine(ax25_address *, struct net_device *);
@@ -415,7 +416,7 @@
/* ax25_uid.c */
extern int ax25_uid_policy;
extern ax25_uid_assoc *ax25_findbyuid(uid_t);
-extern int ax25_uid_ioctl(int, struct sockaddr_ax25 *);
+extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
extern struct file_operations ax25_uid_fops;
extern void ax25_uid_free(void);
diff --git a/include/net/rose.h b/include/net/rose.h
index 012b09e..0143796 100644
--- a/include/net/rose.h
+++ b/include/net/rose.h
@@ -193,8 +193,8 @@
extern struct file_operations rose_nodes_fops;
extern struct file_operations rose_routes_fops;
-extern int rose_add_loopback_neigh(void);
-extern int rose_add_loopback_node(rose_address *);
+extern int __must_check rose_add_loopback_neigh(void);
+extern int __must_check rose_add_loopback_node(rose_address *);
extern void rose_del_loopback_node(rose_address *);
extern void rose_rt_device_down(struct net_device *);
extern void rose_link_device_down(struct net_device *);