USB: output an error message when the pipe type doesn't match the endpoint type
Commit f661c6f8c6
adds a check of the pipe type if
CONFIG_USB_DEBUG is enabled, but it doesn't output anything if this scenario
occurs.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -401,8 +401,11 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
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};
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/* Check that the pipe's type matches the endpoint's type */
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if (usb_pipetype(urb->pipe) != pipetypes[xfertype])
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if (usb_pipetype(urb->pipe) != pipetypes[xfertype]) {
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dev_err(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n",
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usb_pipetype(urb->pipe), pipetypes[xfertype]);
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return -EPIPE; /* The most suitable error code :-) */
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}
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/* enforce simple/standard policy */
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allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_INTERRUPT | URB_DIR_MASK |
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