[wireless airo] remove needed dma_addr_t obfuscation

Fixes bus address truncation bug for certain configs.

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index a6194955df2c..746456c34df8 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2521,7 +2521,8 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
         unsigned long mem_start, mem_len, aux_start, aux_len;
         int rc = -1;
         int i;
-        unsigned char *busaddroff,*vpackoff;
+        dma_addr_t busaddroff;
+        unsigned char *vpackoff;
         unsigned char __iomem *pciaddroff;
 
         mem_start = pci_resource_start(pci, 1);
@@ -2564,7 +2565,7 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
         /*
          * Setup descriptor RX, TX, CONFIG
          */
-        busaddroff = (unsigned char *)ai->shared_dma;
+        busaddroff = ai->shared_dma;
         pciaddroff = ai->pciaux + AUX_OFFSET;
         vpackoff   = ai->shared;
 
@@ -2573,7 +2574,7 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
                 ai->rxfids[i].pending = 0;
                 ai->rxfids[i].card_ram_off = pciaddroff;
                 ai->rxfids[i].virtual_host_addr = vpackoff;
-                ai->rxfids[i].rx_desc.host_addr = (dma_addr_t) busaddroff;
+                ai->rxfids[i].rx_desc.host_addr = busaddroff;
                 ai->rxfids[i].rx_desc.valid = 1;
                 ai->rxfids[i].rx_desc.len = PKTSIZE;
                 ai->rxfids[i].rx_desc.rdy = 0;
@@ -2588,7 +2589,7 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
                 ai->txfids[i].card_ram_off = pciaddroff;
                 ai->txfids[i].virtual_host_addr = vpackoff;
                 ai->txfids[i].tx_desc.valid = 1;
-                ai->txfids[i].tx_desc.host_addr = (dma_addr_t) busaddroff;
+                ai->txfids[i].tx_desc.host_addr = busaddroff;
                 memcpy(ai->txfids[i].virtual_host_addr,
                         &wifictlhdr8023, sizeof(wifictlhdr8023));
 
@@ -2601,8 +2602,8 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
         /* Rid descriptor setup */
         ai->config_desc.card_ram_off = pciaddroff;
         ai->config_desc.virtual_host_addr = vpackoff;
-        ai->config_desc.rid_desc.host_addr = (dma_addr_t) busaddroff;
-        ai->ridbus = (dma_addr_t)busaddroff;
+        ai->config_desc.rid_desc.host_addr = busaddroff;
+        ai->ridbus = busaddroff;
         ai->config_desc.rid_desc.rid = 0;
         ai->config_desc.rid_desc.len = RIDSIZE;
         ai->config_desc.rid_desc.valid = 1;