[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>

1 files changed, 5 insertions, 3 deletions

diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 0096105bcd47..c6aa7aa03234 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -87,8 +87,9 @@ static void nr_remove_neigh(struct nr_neigh *);
  *      Add a new route to a node, and in the process add the node and the
  *      neighbour if it is new.
  */
-static int nr_add_node(ax25_address *nr, const char *mnemonic, ax25_address *ax25,
-        ax25_digi *ax25_digi, struct net_device *dev, int quality, int obs_count)
+static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic,
+        ax25_address *ax25, ax25_digi *ax25_digi, struct net_device *dev,
+        int quality, int obs_count)
 {
         struct nr_node  *nr_node;
         struct nr_neigh *nr_neigh;
@@ -406,7 +407,8 @@ static int nr_del_node(ax25_address *callsign, ax25_address *neighbour, struct n
 /*
  *      Lock a neighbour with a quality.
  */
-static int nr_add_neigh(ax25_address *callsign, ax25_digi *ax25_digi, struct net_device *dev, unsigned int quality)
+static int __must_check nr_add_neigh(ax25_address *callsign,
+        ax25_digi *ax25_digi, struct net_device *dev, unsigned int quality)
 {
         struct nr_neigh *nr_neigh;