iwlwifi: move the shrd memory from priv

Allocating the shrd area dynamically will allow more agility
while revamping the flows.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index f3bd6a3..b42be30 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1780,9 +1780,7 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
        }
 
        priv = hw->priv;
-       priv->shrd = &priv->_shrd;
-       bus->shrd = priv->shrd;
-       priv->shrd->bus = bus;
+       priv->shrd = bus->shrd;
        priv->shrd->priv = priv;
 
        priv->shrd->trans = trans_ops->alloc(priv->shrd);

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index af84600..fff5b62 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -821,7 +821,6 @@ struct iwl_wipan_noa_data {
 struct iwl_priv {
 
        /*data shared among all the driver's layers */
-       struct iwl_shared _shrd;
        struct iwl_shared *shrd;
 
        /* ieee device used by generic ieee processing code */

diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 2c46063..a3ca0a7 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -374,10 +374,18 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (!bus) {
                dev_printk(KERN_ERR, &pdev->dev,
                           "Couldn't allocate iwl_pci_bus");
+               return -ENOMEM;
+       }
+
+       bus->shrd = kzalloc(sizeof(*bus->shrd), GFP_KERNEL);
+       if (!bus->shrd) {
+               dev_printk(KERN_ERR, &pdev->dev,
+                          "Couldn't allocate iwl_shared");
                err = -ENOMEM;
                goto out_no_pci;
        }
 
+       bus->shrd->bus = bus;
        pci_bus = IWL_BUS_GET_PCI_BUS(bus);
        pci_bus->pci_dev = pdev;
 
@@ -472,6 +480,7 @@ out_pci_release_regions:
 out_pci_disable_device:
        pci_disable_device(pdev);
 out_no_pci:
+       kfree(bus->shrd);
        kfree(bus);
        return err;
 }
@@ -491,6 +500,7 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev)
        pci_disable_device(pci_dev);
        pci_set_drvdata(pci_dev, NULL);
 
+       kfree(bus->shrd);
        kfree(bus);
 }