RDMA/nes: Cleanup warnings

Wrap NES_DEBUG and assert macros with do while (0) to avoid ambiguous
else.  No one is using sk_buff * returned from form_cm_frame(), so
drop the return.  drop_packet() should not be incrementing reset
counter on receiving a FIN.

Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index 1595dc7..13a5bb1 100644 (file)
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -137,14 +137,18 @@
 
 #ifdef CONFIG_INFINIBAND_NES_DEBUG
 #define nes_debug(level, fmt, args...) \
+do { \
        if (level & nes_debug_level) \
-               printk(KERN_ERR PFX "%s[%u]: " fmt, __func__, __LINE__, ##args)
-
-#define assert(expr)                                                \
-if (!(expr)) {                                                       \
-       printk(KERN_ERR PFX "Assertion failed! %s, %s, %s, line %d\n",  \
-                  #expr, __FILE__, __func__, __LINE__);                \
-}
+               printk(KERN_ERR PFX "%s[%u]: " fmt, __func__, __LINE__, ##args); \
+} while (0)
+
+#define assert(expr) \
+do { \
+       if (!(expr)) { \
+               printk(KERN_ERR PFX "Assertion failed! %s, %s, %s, line %d\n", \
+                          #expr, __FILE__, __func__, __LINE__); \
+       } \
+} while (0)
 
 #define NES_EVENT_TIMEOUT   1200000
 #else

diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index f241ca1..aa373c5 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -92,7 +92,7 @@ static int mini_cm_dealloc_core(struct nes_cm_core *);
 static int mini_cm_get(struct nes_cm_core *);
 static int mini_cm_set(struct nes_cm_core *, u32, u32);
 
-static struct sk_buff *form_cm_frame(struct sk_buff *, struct nes_cm_node *,
+static void form_cm_frame(struct sk_buff *, struct nes_cm_node *,
        void *, u32, void *, u32, u8);
 static struct sk_buff *get_free_pkt(struct nes_cm_node *cm_node);
 static int add_ref_cm_node(struct nes_cm_node *);
@@ -251,7 +251,7 @@ static int parse_mpa(struct nes_cm_node *cm_node, u8 *buffer, u32 len)
  * form_cm_frame - get a free packet and build empty frame Use
  * node info to build.
  */
-static struct sk_buff *form_cm_frame(struct sk_buff *skb,
+static void form_cm_frame(struct sk_buff *skb,
        struct nes_cm_node *cm_node, void *options, u32 optionsize,
        void *data, u32 datasize, u8 flags)
 {
@@ -339,7 +339,6 @@ static struct sk_buff *form_cm_frame(struct sk_buff *skb,
        skb_shinfo(skb)->nr_frags = 0;
        cm_packets_created++;
 
-       return skb;
 }
 
 
@@ -381,8 +380,6 @@ int schedule_nes_timer(struct nes_cm_node *cm_node, struct sk_buff *skb,
        int ret = 0;
        u32 was_timer_set;
 
-       if (!cm_node)
-               return -EINVAL;
        new_send = kzalloc(sizeof(*new_send), GFP_ATOMIC);
        if (!new_send)
                return -1;
@@ -1325,7 +1322,6 @@ static void drop_packet(struct sk_buff *skb)
 static void handle_fin_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
        struct tcphdr *tcph)
 {
-       atomic_inc(&cm_resets_recvd);
        nes_debug(NES_DBG_CM, "Received FIN, cm_node = %p, state = %u. "
                "refcnt=%d\n", cm_node, cm_node->state,
                atomic_read(&cm_node->ref_count));