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path: root/drivers/usb/core/urb.c
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Diffstat (limited to 'drivers/usb/core/urb.c')
-rw-r--r--drivers/usb/core/urb.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index e7cae1334693..e2bd153cbd89 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -387,6 +387,13 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
387 { 387 {
388 unsigned int orig_flags = urb->transfer_flags; 388 unsigned int orig_flags = urb->transfer_flags;
389 unsigned int allowed; 389 unsigned int allowed;
390 static int pipetypes[4] = {
391 PIPE_CONTROL, PIPE_ISOCHRONOUS, PIPE_BULK, PIPE_INTERRUPT
392 };
393
394 /* Check that the pipe's type matches the endpoint's type */
395 if (usb_pipetype(urb->pipe) != pipetypes[xfertype])
396 return -EPIPE; /* The most suitable error code :-) */
390 397
391 /* enforce simple/standard policy */ 398 /* enforce simple/standard policy */
392 allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP | 399 allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP |