svn commit: r198376 - head/lib/libusb

Andrew Thompson thompsa at FreeBSD.org
Thu Oct 22 21:01:41 UTC 2009


Author: thompsa
Date: Thu Oct 22 21:01:41 2009
New Revision: 198376
URL: http://svn.freebsd.org/changeset/base/198376

Log:
  Prevent wraparound of the timeout variable.
  
  Submitted by:	HPS

Modified:
  head/lib/libusb/libusb20_ugen20.c

Modified: head/lib/libusb/libusb20_ugen20.c
==============================================================================
--- head/lib/libusb/libusb20_ugen20.c	Thu Oct 22 20:59:51 2009	(r198375)
+++ head/lib/libusb/libusb20_ugen20.c	Thu Oct 22 21:01:41 2009	(r198376)
@@ -800,7 +800,11 @@ ugen20_tr_submit(struct libusb20_transfe
 	if (xfer->flags & LIBUSB20_TRANSFER_DO_CLEAR_STALL) {
 		fsep->flags |= USB_FS_FLAG_CLEAR_STALL;
 	}
-	fsep->timeout = xfer->timeout;
+	/* NOTE: The "fsep->timeout" variable is 16-bit. */
+	if (xfer->timeout > 65535)
+		fsep->timeout = 65535;
+	else
+		fsep->timeout = xfer->timeout;
 
 	temp.ep_index = xfer->trIndex;
 


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