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usb_relay_device_enumerate: silencing -Wunused-but-set-variable #35

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usb_relay_device_enumerate: silencing -Wunused-but-set-variable #35

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2 changes: 1 addition & 1 deletion lib/usb_relay_device.h
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ It should be called at the end of execution to avoid memory leaks.
int USBRL_API usb_relay_exit(void);

/** Enumerate the USB Relay Devices.
@return Pointer to list of usb_relay_device_info
@return Pointer to list of usb_relay_device_info, NULL if unsuccessful.
Caller should free it with usb_relay_device_free_enumerate
*/
pusb_relay_device_info_t USBRL_API usb_relay_device_enumerate(void);
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3 changes: 3 additions & 0 deletions lib/usb_relay_lib.c
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Expand Up @@ -385,6 +385,9 @@ pusb_relay_device_info_t USBRL_API usb_relay_device_enumerate(void)
(void*)&ectx,
enumfunc);

if ( ret != 0 )
return NULL;

return (pusb_relay_device_info_t)ectx.head;
}

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