qlge: Fix sparse warning regarding rx buffer queues.

Warnings:
drivers/net/qlge/qlge_main.c:909:17: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:909:17:    expected unsigned int [unsigned] [usertype] addr_lo
drivers/net/qlge/qlge_main.c:909:17:    got restricted unsigned int [usertype] <noident>
drivers/net/qlge/qlge_main.c:911:17: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:911:17:    expected unsigned int [unsigned] [usertype] addr_hi
drivers/net/qlge/qlge_main.c:911:17:    got restricted unsigned int [usertype] <noident>
drivers/net/qlge/qlge_main.c:974:17: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:974:17:    expected unsigned int [unsigned] [usertype] addr_lo
drivers/net/qlge/qlge_main.c:974:17:    got restricted unsigned int [usertype] <noident>
drivers/net/qlge/qlge_main.c:975:17: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:975:17:    expected unsigned int [unsigned] [usertype] addr_hi
drivers/net/qlge/qlge_main.c:975:17:    got restricted unsigned int [usertype] <noident>
drivers/net/qlge/qlge_main.c:2132:16: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:2132:16:    expected unsigned int [unsigned] [usertype] addr_lo
drivers/net/qlge/qlge_main.c:2132:16:    got restricted unsigned int [usertype] <noident>
drivers/net/qlge/qlge_main.c:2133:16: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:2133:16:    expected unsigned int [unsigned] [usertype] addr_hi
drivers/net/qlge/qlge_main.c:2133:16:    got restricted unsigned int [usertype] <noident>
drivers/net/qlge/qlge_main.c:2212:15: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:2212:15:    expected unsigned int [unsigned] [usertype] addr_lo
drivers/net/qlge/qlge_main.c:2212:15:    got restricted unsigned int [usertype] <noident>
drivers/net/qlge/qlge_main.c:2214:15: warning: incorrect type in assignment (different base types)
drivers/net/qlge/qlge_main.c:2214:15:    expected unsigned int [unsigned] [usertype] addr_hi
drivers/net/qlge/qlge_main.c:2214:15:    got restricted unsigned int [usertype] <noident>

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 15 insertions, 51 deletions

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 71cc48799b59..76ef2bc297cc 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -818,15 +818,6 @@ struct tx_doorbell_context {
 };
 
 /* DATA STRUCTURES SHARED WITH HARDWARE. */
-
-struct bq_element {
-        u32 addr_lo;
-#define BQ_END  0x00000001
-#define BQ_CONT 0x00000002
-#define BQ_MASK 0x00000003
-        u32 addr_hi;
-} __attribute((packed));
-
 struct tx_buf_desc {
         __le64 addr;
         __le32 len;
@@ -1139,7 +1130,7 @@ struct bq_desc {
                 struct page *lbq_page;
                 struct sk_buff *skb;
         } p;
-        struct bq_element *bq;
+        __le64 *addr;
         int index;
          DECLARE_PCI_UNMAP_ADDR(mapaddr);
          DECLARE_PCI_UNMAP_LEN(maplen);
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index d7894aa2ebe3..f4c016012f18 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -874,7 +874,6 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 {
         int clean_idx = rx_ring->lbq_clean_idx;
         struct bq_desc *lbq_desc;
-        struct bq_element *bq;
         u64 map;
         int i;
 
@@ -884,7 +883,6 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
                                 "lbq: try cleaning clean_idx = %d.\n",
                                 clean_idx);
                         lbq_desc = &rx_ring->lbq[clean_idx];
-                        bq = lbq_desc->bq;
                         if (lbq_desc->p.lbq_page == NULL) {
                                 QPRINTK(qdev, RX_STATUS, DEBUG,
                                         "lbq: getting new page for index %d.\n",
@@ -906,10 +904,7 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
                                 }
                                 pci_unmap_addr_set(lbq_desc, mapaddr, map);
                                 pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE);
-                                bq->addr_lo =   /*lbq_desc->addr_lo = */
-                                    cpu_to_le32(map);
-                                bq->addr_hi =   /*lbq_desc->addr_hi = */
-                                    cpu_to_le32(map >> 32);
+                                *lbq_desc->addr = cpu_to_le64(map);
                         }
                         clean_idx++;
                         if (clean_idx == rx_ring->lbq_len)
@@ -934,7 +929,6 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 {
         int clean_idx = rx_ring->sbq_clean_idx;
         struct bq_desc *sbq_desc;
-        struct bq_element *bq;
         u64 map;
         int i;
 
@@ -944,7 +938,6 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
                         QPRINTK(qdev, RX_STATUS, DEBUG,
                                 "sbq: try cleaning clean_idx = %d.\n",
                                 clean_idx);
-                        bq = sbq_desc->bq;
                         if (sbq_desc->p.skb == NULL) {
                                 QPRINTK(qdev, RX_STATUS, DEBUG,
                                         "sbq: getting new skb for index %d.\n",
@@ -971,8 +964,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
                                 pci_unmap_addr_set(sbq_desc, mapaddr, map);
                                 pci_unmap_len_set(sbq_desc, maplen,
                                                   rx_ring->sbq_buf_size / 2);
-                                bq->addr_lo = cpu_to_le32(map);
-                                bq->addr_hi = cpu_to_le32(map >> 32);
+                                *sbq_desc->addr = cpu_to_le64(map);
                         }
 
                         clean_idx++;
@@ -1340,7 +1332,7 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev,
                  *          eventually be in trouble.
                  */
                 int size, offset, i = 0;
-                struct bq_element *bq, bq_array[8];
+                __le64 *bq, bq_array[8];
                 sbq_desc = ql_get_curr_sbuf(rx_ring);
                 pci_unmap_single(qdev->pdev,
                                  pci_unmap_addr(sbq_desc, mapaddr),
@@ -1366,16 +1358,10 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev,
                 } else {
                         QPRINTK(qdev, RX_STATUS, DEBUG,
                                 "Headers in small, %d bytes of data in chain of large.\n", length);
-                        bq = (struct bq_element *)sbq_desc->p.skb->data;
+                        bq = (__le64 *)sbq_desc->p.skb->data;
                 }
                 while (length > 0) {
                         lbq_desc = ql_get_curr_lbuf(rx_ring);
-                        if ((bq->addr_lo & ~BQ_MASK) != lbq_desc->bq->addr_lo) {
-                                QPRINTK(qdev, RX_STATUS, ERR,
-                                        "Panic!!! bad large buffer address, expected 0x%.08x, got 0x%.08x.\n",
-                                        lbq_desc->bq->addr_lo, bq->addr_lo);
-                                return NULL;
-                        }
                         pci_unmap_page(qdev->pdev,
                                        pci_unmap_addr(lbq_desc,
                                                       mapaddr),
@@ -2093,8 +2079,6 @@ static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring
                         put_page(lbq_desc->p.lbq_page);
                         lbq_desc->p.lbq_page = NULL;
                 }
-                lbq_desc->bq->addr_lo = 0;
-                lbq_desc->bq->addr_hi = 0;
         }
 }
 
@@ -2107,12 +2091,12 @@ static int ql_alloc_lbq_buffers(struct ql_adapter *qdev,
         int i;
         struct bq_desc *lbq_desc;
         u64 map;
-        struct bq_element *bq = rx_ring->lbq_base;
+        __le64 *bq = rx_ring->lbq_base;
 
         for (i = 0; i < rx_ring->lbq_len; i++) {
                 lbq_desc = &rx_ring->lbq[i];
                 memset(lbq_desc, 0, sizeof(lbq_desc));
-                lbq_desc->bq = bq;
+                lbq_desc->addr = bq;
                 lbq_desc->index = i;
                 lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC);
                 if (unlikely(!lbq_desc->p.lbq_page)) {
@@ -2129,8 +2113,7 @@ static int ql_alloc_lbq_buffers(struct ql_adapter *qdev,
                         }
                         pci_unmap_addr_set(lbq_desc, mapaddr, map);
                         pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE);
-                        bq->addr_lo = cpu_to_le32(map);
-                        bq->addr_hi = cpu_to_le32(map >> 32);
+                        *lbq_desc->addr = cpu_to_le64(map);
                 }
                 bq++;
         }
@@ -2159,13 +2142,6 @@ static void ql_free_sbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring
                         dev_kfree_skb(sbq_desc->p.skb);
                         sbq_desc->p.skb = NULL;
                 }
-                if (sbq_desc->bq == NULL) {
-                        QPRINTK(qdev, IFUP, ERR, "sbq_desc->bq %d is NULL.\n",
-                                i);
-                        return;
-                }
-                sbq_desc->bq->addr_lo = 0;
-                sbq_desc->bq->addr_hi = 0;
         }
 }
 
@@ -2177,13 +2153,13 @@ static int ql_alloc_sbq_buffers(struct ql_adapter *qdev,
         struct bq_desc *sbq_desc;
         struct sk_buff *skb;
         u64 map;
-        struct bq_element *bq = rx_ring->sbq_base;
+        __le64 *bq = rx_ring->sbq_base;
 
         for (i = 0; i < rx_ring->sbq_len; i++) {
                 sbq_desc = &rx_ring->sbq[i];
                 memset(sbq_desc, 0, sizeof(sbq_desc));
                 sbq_desc->index = i;
-                sbq_desc->bq = bq;
+                sbq_desc->addr = bq;
                 skb = netdev_alloc_skb(qdev->ndev, rx_ring->sbq_buf_size);
                 if (unlikely(!skb)) {
                         /* Better luck next round */
@@ -2209,10 +2185,7 @@ static int ql_alloc_sbq_buffers(struct ql_adapter *qdev,
                 }
                 pci_unmap_addr_set(sbq_desc, mapaddr, map);
                 pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2);
-                bq->addr_lo =   /*sbq_desc->addr_lo = */
-                    cpu_to_le32(map);
-                bq->addr_hi =   /*sbq_desc->addr_hi = */
-                    cpu_to_le32(map >> 32);
+                *sbq_desc->addr = cpu_to_le64(map);
                 bq++;
         }
         return 0;
@@ -3356,11 +3329,11 @@ static int ql_configure_rings(struct ql_adapter *qdev)
                             rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb);
                         rx_ring->lbq_len = NUM_LARGE_BUFFERS;
                         rx_ring->lbq_size =
-                            rx_ring->lbq_len * sizeof(struct bq_element);
+                            rx_ring->lbq_len * sizeof(__le64);
                         rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE;
                         rx_ring->sbq_len = NUM_SMALL_BUFFERS;
                         rx_ring->sbq_size =
-                            rx_ring->sbq_len * sizeof(struct bq_element);
+                            rx_ring->sbq_len * sizeof(__le64);
                         rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;
                         rx_ring->type = DEFAULT_Q;
                 } else if (i < qdev->rss_ring_first_cq_id) {
@@ -3387,11 +3360,11 @@ static int ql_configure_rings(struct ql_adapter *qdev)
                             rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb);
                         rx_ring->lbq_len = NUM_LARGE_BUFFERS;
                         rx_ring->lbq_size =
-                            rx_ring->lbq_len * sizeof(struct bq_element);
+                            rx_ring->lbq_len * sizeof(__le64);
                         rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE;
                         rx_ring->sbq_len = NUM_SMALL_BUFFERS;
                         rx_ring->sbq_size =
-                            rx_ring->sbq_len * sizeof(struct bq_element);
+                            rx_ring->sbq_len * sizeof(__le64);
                         rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;
                         rx_ring->type = RX_Q;
                 }