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USB: misc: iowarrior: clean up urb->status usage 

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 <gregkh@suse.de>
hifive-unleashed-5.1
Greg Kroah-Hartman 2007-07-18 10:58:02 -07:00
parent 84346269f9
commit fb3abee69d
1 changed files with 12 additions and 9 deletions
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21
drivers/usb/misc/iowarrior.c
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@ -158,9 +158,10 @@ static void iowarrior_callback(struct urb *urb)
int read_idx;
int aux_idx;
int offset;
int status;
int status = urb->status;
int retval;
switch (urb->status) {
switch (status) {
case 0:
/* success */
break;
@ -213,10 +214,10 @@ static void iowarrior_callback(struct urb *urb)
wake_up_interruptible(&dev->read_wait);
exit:
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status)
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
dev_err(&dev->interface->dev, "%s - usb_submit_urb failed with result %d",
__FUNCTION__, status);
__FUNCTION__, retval);
}
@ -226,13 +227,15 @@ exit:
static void iowarrior_write_callback(struct urb *urb)
{
struct iowarrior *dev;
int status = urb->status;
dev = (struct iowarrior *)urb->context;
/* sync/async unlink faults aren't errors */
if (urb->status &&
!(urb->status == -ENOENT ||
urb->status == -ECONNRESET || urb->status == -ESHUTDOWN)) {
if (status &&
!(status == -ENOENT ||
status == -ECONNRESET || status == -ESHUTDOWN)) {
dbg("%s - nonzero write bulk status received: %d",
__func__, urb->status);
__func__, status);
}
/* free up our allocated buffer */
usb_buffer_free(urb->dev, urb->transfer_buffer_length,