Merge branch 'net-kzfree'

zhong jiang says:

====================
net: Use kzfree() directly

With the help of Coccinelle. We find some place to replace.

@@
expression M, S;
@@

- memset(M, 0, S);
- kfree(M);
+ kzfree(M);
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c

@@ -960,11 +960,9 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
 	return 0;
 
 err_aead:
-	memset(xs->aead, 0, sizeof(*xs->aead));
-	kfree(xs->aead);
+	kzfree(xs->aead);
 err_xs:
-	memset(xs, 0, sizeof(*xs));
-	kfree(xs);
+	kzfree(xs);
 err_out:
 	msgbuf[1] = err;
 	return err;
@@ -1049,8 +1047,7 @@ int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
 	ixgbe_ipsec_del_sa(xs);
 
 	/* remove the xs that was made-up in the add request */
-	memset(xs, 0, sizeof(*xs));
-	kfree(xs);
+	kzfree(xs);
 
 	return 0;
 }

net/atm/mpoa_caches.c

@@ -180,8 +180,7 @@ static int cache_hit(in_cache_entry *entry, struct mpoa_client *mpc)
 static void in_cache_put(in_cache_entry *entry)
 {
 	if (refcount_dec_and_test(&entry->use)) {
-		memset(entry, 0, sizeof(in_cache_entry));
-		kfree(entry);
+		kzfree(entry);
 	}
 }
 
@@ -416,8 +415,7 @@ static eg_cache_entry *eg_cache_get_by_src_ip(__be32 ipaddr,
 static void eg_cache_put(eg_cache_entry *entry)
 {
 	if (refcount_dec_and_test(&entry->use)) {
-		memset(entry, 0, sizeof(eg_cache_entry));
-		kfree(entry);
+		kzfree(entry);
 	}
 }
 

net/sunrpc/auth_gss/gss_krb5_keys.c

@@ -228,14 +228,11 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e,
 	ret = 0;
 
 err_free_raw:
-	memset(rawkey, 0, keybytes);
-	kfree(rawkey);
+	kzfree(rawkey);
 err_free_out:
-	memset(outblockdata, 0, blocksize);
-	kfree(outblockdata);
+	kzfree(outblockdata);
 err_free_in:
-	memset(inblockdata, 0, blocksize);
-	kfree(inblockdata);
+	kzfree(inblockdata);
 err_free_cipher:
 	crypto_free_sync_skcipher(cipher);
 err_return: