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usb_dc_stm32: Fix check endpoint capabilities

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DT_USB_NUM_BIDIR_ENDPOINTS includes EP0, which we should not
take it into account when we check endpoint capabilities

Signed-off-by: Yannis Damigos <giannis.damigos@gmail.com>
This commit is contained in:
Yannis Damigos 2019-02-09 20:48:44 +02:00 • committed by Kumar Gala
commit 6a676caab6
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/device/usb_dc_stm32.c
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@ -557,7 +557,7 @@ int usb_dc_ep_check_cap(const struct usb_dc_ep_cfg_data * const cfg)
return -1; return -1;
} }
if (ep_idx > DT_USB_NUM_BIDIR_ENDPOINTS) { if (ep_idx > (DT_USB_NUM_BIDIR_ENDPOINTS - 1)) {
LOG_ERR("endpoint index/address out of range"); LOG_ERR("endpoint index/address out of range");
return -1; return -1;
} }