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On a Bulk-In data stall, make sure we copy back the data received, per the 

spec.  This is the real problem behind FORCE_SHORT_INQUIRY.
This commit is contained in:
mycroft 2003-09-10 05:20:21 +00:00
parent ab54d7e94f
commit 2fe6c4d834
1 changed files with 4 additions and 3 deletions
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7
sys/dev/usb/umass.c
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@ -1,4 +1,4 @@
/* $NetBSD: umass.c,v 1.100 2003/09/10 02:49:18 mycroft Exp $ */
/* $NetBSD: umass.c,v 1.101 2003/09/10 05:20:21 mycroft Exp $ */
/*-
* Copyright (c) 1999 MAEKAWA Masahide <bishop@rr.iij4u.or.jp>,
* Nick Hibma <n_hibma@freebsd.org>
@ -94,7 +94,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: umass.c,v 1.100 2003/09/10 02:49:18 mycroft Exp $");
__KERNEL_RCSID(0, "$NetBSD: umass.c,v 1.101 2003/09/10 05:20:21 mycroft Exp $");
#include "atapibus.h"
#include "scsibus.h"
@ -1052,6 +1052,8 @@ umass_bbb_state(usbd_xfer_handle xfer, usbd_private_handle priv,
}
}
/* FALLTHROUGH, err == 0 (no data phase or successful) */
case TSTATE_BBB_DCLEAR: /* stall clear after data phase */
if (sc->transfer_dir == DIR_IN)
memcpy(sc->transfer_data, sc->data_buffer,
sc->transfer_actlen);
@ -1061,7 +1063,6 @@ umass_bbb_state(usbd_xfer_handle xfer, usbd_private_handle priv,
sc->transfer_datalen, 48));
/* FALLTHROUGH, err == 0 (no data phase or successful) */
case TSTATE_BBB_DCLEAR: /* stall clear after data phase */
case TSTATE_BBB_SCLEAR: /* stall clear after status phase */
/* Reading of CSW after bulk stall condition in data phase
* (TSTATE_BBB_DATA2) or bulk-in stall condition after