From c89d1bedf8b130d5b20f56a484989a19a2c2842a Mon Sep 17 00:00:00 2001
From: Sean Hefty <sean.hefty@intel.com>
Date: Tue, 6 Dec 2011 21:13:10 +0000
Subject: rdma/core: Fix sparse warnings

Clean up sparse warnings in the rdma core layer.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index b8a0b4a..06f0871 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -106,9 +106,6 @@ enum {
 	IB_UCM_MAX_DEVICES = 32
 };
 
-/* ib_cm and ib_user_cm modules share /sys/class/infiniband_cm */
-extern struct class cm_class;
-
 #define IB_UCM_BASE_DEV MKDEV(IB_UCM_MAJOR, IB_UCM_BASE_MINOR)
 
 static void ib_ucm_add_one(struct ib_device *device);
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 254f164..e26193f 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2446,9 +2446,9 @@ out_put:
 	return ret ? ret : in_len;
 }
 
-int __uverbs_create_xsrq(struct ib_uverbs_file *file,
-			 struct ib_uverbs_create_xsrq *cmd,
-			 struct ib_udata *udata)
+static int __uverbs_create_xsrq(struct ib_uverbs_file *file,
+				struct ib_uverbs_create_xsrq *cmd,
+				struct ib_udata *udata)
 {
 	struct ib_uverbs_create_srq_resp resp;
 	struct ib_usrq_object           *obj;
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 639a449..9996539 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -281,7 +281,7 @@ static inline u16 rdma_get_vlan_id(union ib_gid *dgid)
 static inline struct net_device *rdma_vlan_dev_real_dev(const struct net_device *dev)
 {
 	return dev->priv_flags & IFF_802_1Q_VLAN ?
-		vlan_dev_real_dev(dev) : 0;
+		vlan_dev_real_dev(dev) : NULL;
 }
 
 #endif /* IB_ADDR_H */
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index c8f94e8..83f77ac 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -38,6 +38,9 @@
 #include <rdma/ib_mad.h>
 #include <rdma/ib_sa.h>
 
+/* ib_cm and ib_user_cm modules share /sys/class/infiniband_cm */
+extern struct class cm_class;
+
 enum ib_cm_state {
 	IB_CM_IDLE,
 	IB_CM_LISTEN,
-- 
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