31 				    struct msft_data *msft)  in read_supported_features()  argument
58 		msft->evt_prefix = kmemdup(rp->evt_prefix, rp->evt_prefix_len,  in read_supported_features()
60 		if (!msft->evt_prefix)  in read_supported_features()
64 	msft->evt_prefix_len = rp->evt_prefix_len;  in read_supported_features()
65 	msft->features = __le64_to_cpu(rp->features);  in read_supported_features()
77 	struct msft_data *msft;  in msft_do_open()  local
84 	msft = kzalloc(sizeof(*msft), GFP_KERNEL);  in msft_do_open()
85 	if (!msft)  in msft_do_open()
88 	if (!read_supported_features(hdev, msft)) {  in msft_do_open()
89 		kfree(msft);  in msft_do_open()
93 	hdev->msft_data = msft;  in msft_do_open()
98 	struct msft_data *msft = hdev->msft_data;  in msft_do_close()  local
100 	if (!msft)  in msft_do_close()
107 	kfree(msft->evt_prefix);  in msft_do_close()
108 	kfree(msft);  in msft_do_close()
113 	struct msft_data *msft = hdev->msft_data;  in msft_vendor_evt()  local
116 	if (!msft)  in msft_vendor_evt()
122 	if (msft->evt_prefix_len > 0) {  in msft_vendor_evt()
123 		if (skb->len < msft->evt_prefix_len)  in msft_vendor_evt()
126 		if (memcmp(skb->data, msft->evt_prefix, msft->evt_prefix_len))  in msft_vendor_evt()
129 		skb_pull(skb, msft->evt_prefix_len);  in msft_vendor_evt()
146 	struct msft_data *msft = hdev->msft_data;  in msft_get_features()  local
148 	return  msft ? msft->features : 0;  in msft_get_features()