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Don't select an endpoint with a larger packet size than the maximum for

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the current video stream.
This commit is contained in:
jmcneill 2008-11-28 23:31:11 +00:00
parent 659c30f2ba
commit 61d5be8fc7
1 changed files with 5 additions and 2 deletions
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7
sys/dev/usb/uvideo.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvideo.c,v 1.22 2008/11/28 17:20:02 jmorse Exp $ */
/* $NetBSD: uvideo.c,v 1.23 2008/11/28 23:31:11 jmcneill Exp $ */
/*
* Copyright (c) 2008 Patrick Mahoney
@ -42,7 +42,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvideo.c,v 1.22 2008/11/28 17:20:02 jmorse Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvideo.c,v 1.23 2008/11/28 23:31:11 jmcneill Exp $");
#ifdef _MODULE
#include <sys/module.h>
@ -1538,6 +1538,9 @@ uvideo_stream_start_xfer(struct uvideo_stream *vs)
* call into question this method of selecting an
* alternate interface... */
if (alt_maybe->max_packet_size > vs->vs_max_payload_size)
continue;
if (alt == NULL ||
alt_maybe->max_packet_size >= alt->max_packet_size)
alt = alt_maybe;