This done in anticipation of removal of urb->status, which will make
that patch easier to review and apply in the future.
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/image/mdc800.c | 45 ++++++++++++++++++++-----------------------
1 files changed, 21 insertions(+), 24 deletions(-)
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index 36502a0..d1131a8 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -284,9 +284,9 @@ static void mdc800_usb_irq (struct urb *urb)
int data_received=0, wake_up;
unsigned char* b=urb->transfer_buffer;
struct mdc800_data* mdc800=urb->context;
+ int status = urb->status;
- if (urb->status >= 0)
- {
+ if (status >= 0) {
//dbg ("%i %i %i %i %i %i %i %i
\n",b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7]);
@@ -324,7 +324,7 @@ static void mdc800_usb_irq (struct urb *urb)
||
((mdc800->camera_request_ready == 3) &&
(mdc800->camera_busy))
||
- (urb->status < 0)
+ (status < 0)
);
if (wake_up)
@@ -376,15 +376,12 @@ static int mdc800_usb_waitForIRQ (int mode, int msec)
static void mdc800_usb_write_notify (struct urb *urb)
{
struct mdc800_data* mdc800=urb->context;
+ int status = urb->status;
- if (urb->status != 0)
- {
- err ("writing command fails (status=%i)", urb->status);
- }
+ if (status != 0)
+ err ("writing command fails (status=%i)", status);
else
- {
mdc800->state=READY;
- }
mdc800->written = 1;
wake_up (&mdc800->write_wait);
}
@@ -396,9 +393,9 @@ static void mdc800_usb_write_notify (struct urb *urb)
static void mdc800_usb_download_notify (struct urb *urb)
{
struct mdc800_data* mdc800=urb->context;
+ int status = urb->status;
- if (urb->status == 0)
- {
+ if (status == 0) {
/* Fill output buffer with these data */
memcpy (mdc800->out, urb->transfer_buffer, 64);
mdc800->out_count=64;
@@ -408,10 +405,8 @@ static void mdc800_usb_download_notify (struct urb *urb)
{
mdc800->state=READY;
}
- }
- else
- {
- err ("request bytes fails (status:%i)", urb->status);
+ } else {
+ err ("request bytes fails (status:%i)", status);
}
mdc800->downloaded = 1;
wake_up (&mdc800->download_wait);
@@ -649,9 +644,9 @@ static int mdc800_device_open (struct inode* inode, struct
file *file)
retval=0;
mdc800->irq_urb->dev = mdc800->dev;
- if (usb_submit_urb (mdc800->irq_urb, GFP_KERNEL))
- {
- err ("request USB irq fails (submit_retval=%i
urb_status=%i).",retval, mdc800->irq_urb->status);
+ retval = usb_submit_urb (mdc800->irq_urb, GFP_KERNEL);
+ if (retval) {
+ err ("request USB irq fails (submit_retval=%i).", retval);
errn = -EIO;
goto error_out;
}
@@ -698,6 +693,7 @@ static ssize_t mdc800_device_read (struct file *file, char
__user *buf, size_t l
{
size_t left=len, sts=len; /* single transfer size */
char __user *ptr = buf;
+ int retval;
mutex_lock(&mdc800->io_lock);
if (mdc800->state == NOT_CONNECTED)
@@ -737,9 +733,9 @@ static ssize_t mdc800_device_read (struct file *file, char
__user *buf, size_t l
/* Download -> Request new bytes */
mdc800->download_urb->dev = mdc800->dev;
- if (usb_submit_urb (mdc800->download_urb,
GFP_KERNEL))
- {
- err ("Can't submit download urb
(status=%i)",mdc800->download_urb->status);
+ retval = usb_submit_urb (mdc800->download_urb,
GFP_KERNEL);
+ if (retval) {
+ err ("Can't submit download urb
(retval=%i)",retval);
mutex_unlock(&mdc800->io_lock);
return len-left;
}
@@ -788,6 +784,7 @@ static ssize_t mdc800_device_read (struct file *file, char
__user *buf, size_t l
static ssize_t mdc800_device_write (struct file *file, const char __user *buf,
size_t len, loff_t *pos)
{
size_t i=0;
+ int retval;
mutex_lock(&mdc800->io_lock);
if (mdc800->state != READY)
@@ -854,9 +851,9 @@ static ssize_t mdc800_device_write (struct file *file,
const char __user *buf, s
mdc800->state=WORKING;
memcpy (mdc800->write_urb->transfer_buffer,
mdc800->in,8);
mdc800->write_urb->dev = mdc800->dev;
- if (usb_submit_urb (mdc800->write_urb, GFP_KERNEL))
- {
- err ("submitting write urb fails (status=%i)",
mdc800->write_urb->status);
+ retval = usb_submit_urb (mdc800->write_urb, GFP_KERNEL);
+ if (retval) {
+ err ("submitting write urb fails (retval=%i)",
retval);
mutex_unlock(&mdc800->io_lock);
return -EIO;
}
--
1.5.2.2
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