58 	FILE *f;  in find_token()  local
66 	f = fopen(value_sysfs, "rb");  in find_token()
67 	if (!f) {  in find_token()
71 	fread(buf, 1, 4096, f);  in find_token()
72 	fclose(f);  in find_token()
80 	f = fopen(location_sysfs, "rb");  in find_token()
81 	if (!f) {  in find_token()
85 	fread(buf, 1, 4096, f);  in find_token()
86 	fclose(f);  in find_token()
145 	FILE *f;  in query_buffer_size()  local
147 	f = fopen(ioctl_devfs, "rb");  in query_buffer_size()
148 	if (!f)  in query_buffer_size()
150 	fread(buffer_size, sizeof(__u64), 1, f);  in query_buffer_size()
151 	fclose(f);  in query_buffer_size()