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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>
This commit is contained in:
Simon Arlott 2010-08-30 22:50:20 +01:00 committed by Greg Kroah-Hartman
parent 0cf7a63388
commit f7dd64916b
1 changed files with 4 additions and 1 deletions
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5
drivers/usb/core/urb.c
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@ -401,8 +401,11 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
};
/* Check that the pipe's type matches the endpoint's type */
if (usb_pipetype(urb->pipe) != pipetypes[xfertype])
if (usb_pipetype(urb->pipe) != pipetypes[xfertype]) {
dev_err(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n",
usb_pipetype(urb->pipe), pipetypes[xfertype]);
return -EPIPE; /* The most suitable error code :-) */
}
/* enforce simple/standard policy */
allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_INTERRUPT | URB_DIR_MASK |