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

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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>
This commit is contained in:
Greg Kroah-Hartman 2007-07-18 10:58:02 -07:00
parent 491c021e0b
commit 64771a0f19
1 changed files with 15 additions and 13 deletions
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28
drivers/usb/misc/legousbtower.c
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@ -742,19 +742,20 @@ exit:
static void tower_interrupt_in_callback (struct urb *urb)
{
struct lego_usb_tower *dev = (struct lego_usb_tower *)urb->context;
int status = urb->status;
int retval;
dbg(4, "%s: enter, status %d", __FUNCTION__, urb->status);
dbg(4, "%s: enter, status %d", __FUNCTION__, status);
lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer);
if (urb->status) {
if (urb->status == -ENOENT ||
urb->status == -ECONNRESET ||
urb->status == -ESHUTDOWN) {
if (status) {
if (status == -ENOENT ||
status == -ECONNRESET ||
status == -ESHUTDOWN) {
goto exit;
} else {
dbg(1, "%s: nonzero status received: %d", __FUNCTION__, urb->status);
dbg(1, "%s: nonzero status received: %d", __FUNCTION__, status);
goto resubmit; /* maybe we can recover */
}
}
@ -788,7 +789,7 @@ exit:
wake_up_interruptible (&dev->read_wait);
lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer);
dbg(4, "%s: leave, status %d", __FUNCTION__, urb->status);
dbg(4, "%s: leave, status %d", __FUNCTION__, status);
}
@ -798,23 +799,24 @@ exit:
static void tower_interrupt_out_callback (struct urb *urb)
{
struct lego_usb_tower *dev = (struct lego_usb_tower *)urb->context;
int status = urb->status;
dbg(4, "%s: enter, status %d", __FUNCTION__, urb->status);
dbg(4, "%s: enter, status %d", __FUNCTION__, status);
lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer);
/* 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(1, "%s - nonzero write bulk status received: %d",
__FUNCTION__, urb->status);
__FUNCTION__, status);
}
dev->interrupt_out_busy = 0;
wake_up_interruptible(&dev->write_wait);
lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer);
dbg(4, "%s: leave, status %d", __FUNCTION__, urb->status);
dbg(4, "%s: leave, status %d", __FUNCTION__, status);
}