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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-09-22 12:25:28 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-10-31 12:15:34 +0300 |
| commit | 5999914f227b20addf01297b3df24be6b4161f69 (patch) | |
| tree | aec10869581a784f575a6e6c15228b90d4e3a54a /drivers/usb/dwc3/core.h | |
| parent | 6b9018d4c1e5c958625be94a160a5984351d4632 (diff) | |
| download | linux-5999914f227b20addf01297b3df24be6b4161f69.tar.xz | |
usb: dwc3: gadget: properly check ep cmd
The cmd argument we pass to
dwc3_send_gadget_ep_cmd() could contain extra
arguments embedded. When checking for StartTransfer
command, we need to make sure to match only lower 4
bits which contain the actual command and ignore the
rest.
Reported-by: Janusz Dziedzic <januszx.dziedzic@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/core.h')
| -rw-r--r-- | drivers/usb/dwc3/core.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 6b60e42626a2..99fa8b8b06fe 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -450,6 +450,8 @@ #define DWC3_DEPCMD_SETTRANSFRESOURCE (0x02 << 0) #define DWC3_DEPCMD_SETEPCONFIG (0x01 << 0) +#define DWC3_DEPCMD_CMD(x) ((x) & 0xf) + /* The EP number goes 0..31 so ep0 is always out and ep1 is always in */ #define DWC3_DALEPENA_EP(n) (1 << n) |