mwl8k: use const struct fw pointers throughout

This eliminates compiler warnings by doing things how the
firmware class expects.

Signed-off-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 081bb6c848d925d8591149a3901170eca5616fcc..9ecf8407cb1b070825d098869c7e5317d499d019 100644 (file)
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -144,8 +144,8 @@ struct mwl8k_priv {
        void __iomem *regs;
 
        /* firmware */
-       struct firmware *fw_helper;
-       struct firmware *fw_ucode;
+       const struct firmware *fw_helper;
+       const struct firmware *fw_ucode;
 
        /* hardware/firmware parameters */
        bool ap_fw;
@@ -395,7 +395,7 @@ static void mwl8k_hw_reset(struct mwl8k_priv *priv)
 }
 
 /* Release fw image */
-static void mwl8k_release_fw(struct firmware **fw)
+static void mwl8k_release_fw(const struct firmware **fw)
 {
        if (*fw == NULL)
                return;
@@ -420,7 +420,7 @@ enum {
 
 /* Request fw image */
 static int mwl8k_request_fw(struct mwl8k_priv *priv,
-                           const char *fname, struct firmware **fw,
+                           const char *fname, const struct firmware **fw,
                            bool nowait)
 {
        /* release current image */
@@ -432,8 +432,7 @@ static int mwl8k_request_fw(struct mwl8k_priv *priv,
                                               &priv->pdev->dev, GFP_KERNEL,
                                               priv, mwl8k_fw_state_machine);
        else
-               return request_firmware((const struct firmware **)fw,
-                                       fname, &priv->pdev->dev);
+               return request_firmware(fw, fname, &priv->pdev->dev);
 }
 
 static int mwl8k_request_firmware(struct mwl8k_priv *priv, char *fw_image,
@@ -632,12 +631,12 @@ static int mwl8k_feed_fw_image(struct mwl8k_priv *priv,
 static int mwl8k_load_firmware(struct ieee80211_hw *hw)
 {
        struct mwl8k_priv *priv = hw->priv;
-       struct firmware *fw = priv->fw_ucode;
+       const struct firmware *fw = priv->fw_ucode;
        int rc;
        int loops;
 
        if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) {
-               struct firmware *helper = priv->fw_helper;
+               const struct firmware *helper = priv->fw_helper;
 
                if (helper == NULL) {
                        printk(KERN_ERR "%s: helper image needed but none "