diff options
| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-01-12 17:50:02 +1100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-22 15:34:37 +0100 |
| commit | 11fb37998759c48e4e4c200c974593cbeab25d3e (patch) | |
| tree | dd9ede5d130a813b6cec7798d06a3897c97e09c9 /drivers/usb | |
| parent | usb: gadget: compress return logic into one line (diff) | |
| download | linux-dev-11fb37998759c48e4e4c200c974593cbeab25d3e.tar.xz linux-dev-11fb37998759c48e4e4c200c974593cbeab25d3e.zip | |
usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()
The current code tries to test for bits that are masked out by
usb_endpoint_maxp(). Instead, use the proper accessor to access
the new high bandwidth bits.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/udc/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 1b3efb14aec7..ac0541529499 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -912,7 +912,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget, return 0; /* "high bandwidth" works only at high speed */ - if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11)) + if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp_mult(desc) > 1) return 0; switch (type) { |