2012-10-07 10:41:40

by Malcolm Priestley

[permalink] [raw]
Subject: [PATCH] staging: vt6656: Keep firmware loading local and release firware.

Firmware is retained unreleased for the entire duration of the
driver.

When done release firmware and if the need be request firmware again.


Signed-off-by: Malcolm Priestley <[email protected]>
---
drivers/staging/vt6656/device.h | 1 -
drivers/staging/vt6656/firmware.c | 22 ++++++++++------------
drivers/staging/vt6656/main_usb.c | 1 -
3 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index 171dd68..2abba75 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -418,7 +418,6 @@ typedef struct __device_info {
struct net_device* dev;
struct net_device_stats stats;

- const struct firmware *firmware;

OPTIONS sOpts;

diff --git a/drivers/staging/vt6656/firmware.c b/drivers/staging/vt6656/firmware.c
index 8c8126a..8831ea0 100644
--- a/drivers/staging/vt6656/firmware.c
+++ b/drivers/staging/vt6656/firmware.c
@@ -61,28 +61,24 @@ FIRMWAREbDownload(
PSDevice pDevice
)
{
+ struct device *dev = &pDevice->usb->dev;
const struct firmware *fw;
int NdisStatus;
void *pBuffer = NULL;
BOOL result = FALSE;
u16 wLength;
- int ii;
+ int ii, rc;
+

DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Download firmware\n");
spin_unlock_irq(&pDevice->lock);

- if (!pDevice->firmware) {
- struct device *dev = &pDevice->usb->dev;
- int rc;
-
- rc = request_firmware(&pDevice->firmware, FIRMWARE_NAME, dev);
- if (rc) {
- dev_err(dev, "firmware file %s request failed (%d)\n",
- FIRMWARE_NAME, rc);
+ rc = request_firmware(&fw, FIRMWARE_NAME, dev);
+ if (rc) {
+ dev_err(dev, "firmware file %s request failed (%d)\n",
+ FIRMWARE_NAME, rc);
goto out;
- }
}
- fw = pDevice->firmware;

pBuffer = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL);
if (!pBuffer)
@@ -103,10 +99,12 @@ FIRMWAREbDownload(
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO"Download firmware...%d %zu\n", ii, fw->size);
if (NdisStatus != STATUS_SUCCESS)
- goto out;
+ goto free_fw;
}

result = TRUE;
+free_fw:
+ release_firmware(fw);

out:
kfree(pBuffer);
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index d536756..511558b 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1219,7 +1219,6 @@ static void __devexit vt6656_disconnect(struct usb_interface *intf)
}

device_release_WPADEV(device);
- release_firmware(device->firmware);

usb_set_intfdata(intf, NULL);
usb_put_dev(interface_to_usbdev(intf));
--
1.7.10.4