vfree() does its own 'NULL' check, so no need for check before
calling it.
Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
 static void bdx_rxdb_destroy(struct rxdb *db)
 {
-       if (db)
-               vfree(db);
+       vfree(db);
 }
 
 static struct rxdb *bdx_rxdb_create(int nelem)
 {
        BDX_ASSERT(d == NULL);
 
-       if (d->start) {
-               vfree(d->start);
-               d->start = NULL;
-       }
+       vfree(d->start);
+       d->start = NULL;
 }
 
 /*************************************************************************