diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2010-03-01 17:18:56 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-19 07:24:06 -0700 |
| commit | 1082f57abfa26590b60c43f503afb24102a37016 (patch) | |
| tree | 05f1d88c99c0e9a2cd65c830f16ac92a3bc18ecb /drivers/usb/host/ehci-hcd.c | |
| parent | 92bc3648e6027384479852b770a542722fadee7c (diff) | |
USB: EHCI: adjust ehci_iso_stream for changes in ehci_qh
The EHCI driver stores in usb_host_endpoint.hcpriv a pointer to either
an ehci_qh or an ehci_iso_stream structure, and uses the contents of the
hw_info1 field to distinguish the two cases.
After ehci_qh was split into hw and sw parts, ehci_iso_stream must also
be adjusted so that it again looks like an ehci_qh structure.
This fixes a NULL pointer access in ehci_endpoint_disable() when it
tries to access qh->hw->hw_info1.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-by: Colin Fletcher <colin.m.fletcher@googlemail.com>
Cc: stable <stable@kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index d8d6d3461d3..dc55a62859c 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -995,7 +995,7 @@ rescan: /* endpoints can be iso streams. for now, we don't * accelerate iso completions ... so spin a while. */ - if (qh->hw->hw_info1 == 0) { + if (qh->hw == NULL) { ehci_vdbg (ehci, "iso delay\n"); goto idle_timeout; } |