BLE: FileTrans: Null terminate the original buffer.

We get a pointer to our own buffer back and we made it 1 byte longer, so
we can simply null terminate the buffer.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

epicardium/ble/filetransfer.c

@@ -257,21 +257,12 @@ static int bleFileCreateOrOpen(char *filepath)
 
 static uint8_t bleFileOpen(dmConnId_t connId, uint8_t *pValue, uint16_t len)
 {
-	char filepath[100];
-
-	if (len > sizeof(filepath)) {
-		sendCrcResponse(connId, 'e', 0, NULL, "path too long");
-		return ATT_ERR_RESOURCES;
-	}
-
-	/* Copy only file path and not type, make sure this is NULL terminated */
-	strncpy(filepath, (char *)pValue + 1, len - 1);
-	filepath[len - 1] = 0;
+	pValue[len] = 0;
 
 	if (file_fd != -1)
 		epic_file_close(file_fd);
 
-	file_fd = bleFileCreateOrOpen(filepath);
+	file_fd = bleFileCreateOrOpen((char *)pValue);
 	if (file_fd < 0) {
 		sendCrcResponse(connId, 'e', 0, NULL, "open failed");
 		return ATT_ERR_RESOURCES;