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path: root/drivers/staging/wilc1000/netdev.c
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Diffstat (limited to 'drivers/staging/wilc1000/netdev.c')
-rw-r--r--drivers/staging/wilc1000/netdev.c45
1 files changed, 17 insertions, 28 deletions
diff --git a/drivers/staging/wilc1000/netdev.c b/drivers/staging/wilc1000/netdev.c
index 960dbc8d5173..0f48e74aa3ea 100644
--- a/drivers/staging/wilc1000/netdev.c
+++ b/drivers/staging/wilc1000/netdev.c
@@ -183,7 +183,7 @@ static int wilc_wlan_get_firmware(struct net_device *dev)
{
struct wilc_vif *vif = netdev_priv(dev);
struct wilc *wilc = vif->wilc;
- int chip_id, ret = 0;
+ int chip_id;
const struct firmware *wilc_firmware;
char *firmware;
@@ -198,14 +198,11 @@ static int wilc_wlan_get_firmware(struct net_device *dev)
if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
netdev_err(dev, "%s - firmware not available\n", firmware);
- ret = -1;
- goto fail;
+ return -EINVAL;
}
wilc->firmware = wilc_firmware;
-fail:
-
- return ret;
+ return 0;
}
static int wilc_start_firmware(struct net_device *dev)
@@ -215,7 +212,7 @@ static int wilc_start_firmware(struct net_device *dev)
int ret = 0;
ret = wilc_wlan_start(wilc);
- if (ret < 0)
+ if (ret)
return ret;
if (!wait_for_completion_timeout(&wilc->sync_event,
@@ -238,7 +235,7 @@ static int wilc1000_firmware_download(struct net_device *dev)
ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
wilc->firmware->size);
- if (ret < 0)
+ if (ret)
return ret;
release_firmware(wilc->firmware);
@@ -417,7 +414,7 @@ static int wilc_init_fw_config(struct net_device *dev, struct wilc_vif *vif)
return 0;
fail:
- return -1;
+ return -EINVAL;
}
static void wlan_deinitialize_threads(struct net_device *dev)
@@ -497,14 +494,12 @@ static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif)
wl->close = 0;
ret = wilc_wlan_init(dev);
- if (ret < 0)
- return -EIO;
+ if (ret)
+ return ret;
ret = wlan_initialize_threads(dev);
- if (ret < 0) {
- ret = -EIO;
+ if (ret)
goto fail_wilc_wlan;
- }
if (wl->gpio_irq && init_irq(dev)) {
ret = -EIO;
@@ -518,22 +513,17 @@ static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif)
goto fail_irq_init;
}
- if (wilc_wlan_get_firmware(dev)) {
- ret = -EIO;
+ ret = wilc_wlan_get_firmware(dev);
+ if (ret)
goto fail_irq_enable;
- }
ret = wilc1000_firmware_download(dev);
- if (ret < 0) {
- ret = -EIO;
+ if (ret)
goto fail_irq_enable;
- }
ret = wilc_start_firmware(dev);
- if (ret < 0) {
- ret = -EIO;
+ if (ret)
goto fail_irq_enable;
- }
if (wilc_wlan_cfg_get(vif, 1, WID_FIRMWARE_VERSION, 1, 0)) {
int size;
@@ -545,11 +535,10 @@ static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif)
firmware_ver[size] = '\0';
netdev_dbg(dev, "Firmware Ver = %s\n", firmware_ver);
}
- ret = wilc_init_fw_config(dev, vif);
- if (ret < 0) {
+ ret = wilc_init_fw_config(dev, vif);
+ if (ret) {
netdev_err(dev, "Failed to configure firmware\n");
- ret = -EIO;
goto fail_fw_start;
}
wl->initialized = true;
@@ -600,11 +589,11 @@ static int wilc_mac_open(struct net_device *ndev)
netdev_dbg(ndev, "MAC OPEN[%p]\n", ndev);
ret = wilc_init_host_int(ndev);
- if (ret < 0)
+ if (ret)
return ret;
ret = wilc_wlan_initialize(ndev, vif);
- if (ret < 0) {
+ if (ret) {
wilc_deinit_host_int(ndev);
return ret;
}