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
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84346269f9
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fb3abee69d
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@ -158,9 +158,10 @@ static void iowarrior_callback(struct urb *urb)
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int read_idx;
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int read_idx;
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int aux_idx;
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int aux_idx;
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int offset;
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int offset;
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int status;
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int status = urb->status;
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int retval;
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switch (urb->status) {
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switch (status) {
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case 0:
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case 0:
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/* success */
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/* success */
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break;
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break;
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@ -213,10 +214,10 @@ static void iowarrior_callback(struct urb *urb)
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wake_up_interruptible(&dev->read_wait);
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wake_up_interruptible(&dev->read_wait);
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exit:
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exit:
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status = usb_submit_urb(urb, GFP_ATOMIC);
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retval = usb_submit_urb(urb, GFP_ATOMIC);
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if (status)
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if (retval)
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dev_err(&dev->interface->dev, "%s - usb_submit_urb failed with result %d",
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dev_err(&dev->interface->dev, "%s - usb_submit_urb failed with result %d",
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__FUNCTION__, status);
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__FUNCTION__, retval);
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}
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}
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@ -226,13 +227,15 @@ exit:
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static void iowarrior_write_callback(struct urb *urb)
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static void iowarrior_write_callback(struct urb *urb)
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{
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{
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struct iowarrior *dev;
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struct iowarrior *dev;
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int status = urb->status;
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dev = (struct iowarrior *)urb->context;
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dev = (struct iowarrior *)urb->context;
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/* sync/async unlink faults aren't errors */
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/* sync/async unlink faults aren't errors */
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if (urb->status &&
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if (status &&
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!(urb->status == -ENOENT ||
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!(status == -ENOENT ||
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urb->status == -ECONNRESET || urb->status == -ESHUTDOWN)) {
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status == -ECONNRESET || status == -ESHUTDOWN)) {
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dbg("%s - nonzero write bulk status received: %d",
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dbg("%s - nonzero write bulk status received: %d",
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__func__, urb->status);
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__func__, status);
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}
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}
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/* free up our allocated buffer */
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/* free up our allocated buffer */
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usb_buffer_free(urb->dev, urb->transfer_buffer_length,
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usb_buffer_free(urb->dev, urb->transfer_buffer_length,
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