ibmveth: Convert driver specific assert to BUG_ON
Santiago Leon [Fri, 3 Sep 2010 18:29:41 +0000 (18:29 +0000)]
We had a driver specific assert function which wasn't enabled most of the
time. Convert them to BUG_ON and enable them all the time.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ibmveth.c

index 11086db..82cbf50 100644 (file)
 
 #include "ibmveth.h"
 
-#undef DEBUG
-
-#ifdef DEBUG
-#define ibmveth_assert(expr) \
-  if (!(expr)) {                                   \
-    printk(KERN_DEBUG "assertion failed (%s:%3.3d ua:%x): %s\n", __FILE__, __LINE__, adapter->vdev->unit_address, #expr); \
-    BUG(); \
-  }
-#else
-#define ibmveth_assert(expr)
-#endif
-
 static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance);
 static void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter);
 static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev);
@@ -251,8 +239,8 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter,
                        pool->consumer_index = 0;
                index = pool->free_map[free_index];
 
-               ibmveth_assert(index != IBM_VETH_INVALID_MAP);
-               ibmveth_assert(pool->skbuff[index] == NULL);
+               BUG_ON(index == IBM_VETH_INVALID_MAP);
+               BUG_ON(pool->skbuff[index] != NULL);
 
                dma_addr = dma_map_single(&adapter->vdev->dev, skb->data,
                                pool->buff_size, DMA_FROM_DEVICE);
@@ -371,12 +359,12 @@ static void ibmveth_remove_buffer_from_pool(struct ibmveth_adapter *adapter,
        unsigned int free_index;
        struct sk_buff *skb;
 
-       ibmveth_assert(pool < IBMVETH_NUM_BUFF_POOLS);
-       ibmveth_assert(index < adapter->rx_buff_pool[pool].size);
+       BUG_ON(pool >= IBMVETH_NUM_BUFF_POOLS);
+       BUG_ON(index >= adapter->rx_buff_pool[pool].size);
 
        skb = adapter->rx_buff_pool[pool].skbuff[index];
 
-       ibmveth_assert(skb != NULL);
+       BUG_ON(skb == NULL);
 
        adapter->rx_buff_pool[pool].skbuff[index] = NULL;
 
@@ -404,8 +392,8 @@ static inline struct sk_buff *ibmveth_rxq_get_buffer(struct ibmveth_adapter *ada
        unsigned int pool = correlator >> 32;
        unsigned int index = correlator & 0xffffffffUL;
 
-       ibmveth_assert(pool < IBMVETH_NUM_BUFF_POOLS);
-       ibmveth_assert(index < adapter->rx_buff_pool[pool].size);
+       BUG_ON(pool >= IBMVETH_NUM_BUFF_POOLS);
+       BUG_ON(index >= adapter->rx_buff_pool[pool].size);
 
        return adapter->rx_buff_pool[pool].skbuff[index];
 }
@@ -420,8 +408,8 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter)
        union ibmveth_buf_desc desc;
        unsigned long lpar_rc;
 
-       ibmveth_assert(pool < IBMVETH_NUM_BUFF_POOLS);
-       ibmveth_assert(index < adapter->rx_buff_pool[pool].size);
+       BUG_ON(pool >= IBMVETH_NUM_BUFF_POOLS);
+       BUG_ON(index >= adapter->rx_buff_pool[pool].size);
 
        if (!adapter->rx_buff_pool[pool].active) {
                ibmveth_rxq_harvest_buffer(adapter);
@@ -1181,7 +1169,7 @@ restart_poll:
                lpar_rc = h_vio_signal(adapter->vdev->unit_address,
                                       VIO_IRQ_ENABLE);
 
-               ibmveth_assert(lpar_rc == H_SUCCESS);
+               BUG_ON(lpar_rc != H_SUCCESS);
 
                napi_complete(napi);
 
@@ -1205,7 +1193,7 @@ static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance)
        if (napi_schedule_prep(&adapter->napi)) {
                lpar_rc = h_vio_signal(adapter->vdev->unit_address,
                                       VIO_IRQ_DISABLE);
-               ibmveth_assert(lpar_rc == H_SUCCESS);
+               BUG_ON(lpar_rc != H_SUCCESS);
                __napi_schedule(&adapter->napi);
        }
        return IRQ_HANDLED;