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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-19 01:56:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-19 01:56:57 +0300 |
| commit | 3542f6b1836d8940615104e22248bb9b7cf54f5f (patch) | |
| tree | 6808fae6dfb12bb4b7e5e0df4efbe3e0dae8c537 /drivers/usb/host/ehci-sched.c | |
| parent | d885d4f3728f386034bb2f7a61b7f2054c49b2d4 (diff) | |
| parent | ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff) | |
| download | linux-3542f6b1836d8940615104e22248bb9b7cf54f5f.tar.xz | |
Merge 3.19-rc5 into char-misc-next
We want the 3.19-rc5 fixes in here for our testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index e113fd73aeae..f9a332775c47 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1581,6 +1581,10 @@ iso_stream_schedule ( else next = (now + 2 + 7) & ~0x07; /* full frame cache */ + /* If needed, initialize last_iso_frame so that this URB will be seen */ + if (ehci->isoc_count == 0) + ehci->last_iso_frame = now >> 3; + /* * Use ehci->last_iso_frame as the base. There can't be any * TDs scheduled for earlier than that. @@ -1600,11 +1604,11 @@ iso_stream_schedule ( */ now2 = (now - base) & (mod - 1); - /* Is the schedule already full? */ + /* Is the schedule about to wrap around? */ if (unlikely(!empty && start < period)) { - ehci_dbg(ehci, "iso sched full %p (%u-%u < %u mod %u)\n", + ehci_dbg(ehci, "request %p would overflow (%u-%u < %u mod %u)\n", urb, stream->next_uframe, base, period, mod); - status = -ENOSPC; + status = -EFBIG; goto fail; } @@ -1671,10 +1675,6 @@ iso_stream_schedule ( urb->start_frame = start & (mod - 1); if (!stream->highspeed) urb->start_frame >>= 3; - - /* Make sure scan_isoc() sees these */ - if (ehci->isoc_count == 0) - ehci->last_iso_frame = now >> 3; return status; fail: |