lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:   Thu, 19 Jul 2018 21:29:31 +0530
From:   Vakul Garg <vakul.garg@....com>
To:     netdev@...r.kernel.org
Cc:     borisp@...lanox.com, aviadye@...lanox.com, davejwatson@...com,
        davem@...emloft.net, Vakul Garg <vakul.garg@....com>
Subject: [net-next v4 3/3] net/tls: Remove redundant array allocation.

In function decrypt_skb(), array allocation in case when sgout is NULL
is unnecessary. Instead, local variable sgin_arr[] can be used.

Signed-off-by: Vakul Garg <vakul.garg@....com>
---
 net/tls/tls_sw.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index e62f288fda31..c33ba3f1c408 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -703,7 +703,6 @@ int decrypt_skb(struct sock *sk, struct sk_buff *skb,
 	memcpy(iv, tls_ctx->rx.iv, TLS_CIPHER_AES_GCM_128_SALT_SIZE);
 	if (!sgout) {
 		nsg = skb_cow_data(skb, 0, &unused) + 1;
-		sgin = kmalloc_array(nsg, sizeof(*sgin), sk->sk_allocation);
 		sgout = sgin;
 	}
 
@@ -724,9 +723,6 @@ int decrypt_skb(struct sock *sk, struct sk_buff *skb,
 				rxm->full_len - tls_ctx->rx.overhead_size,
 				skb, sk->sk_allocation);
 
-	if (sgin != &sgin_arr[0])
-		kfree(sgin);
-
 	return ret;
 }
 
-- 
2.13.6

Powered by blists - more mailing lists