[PATCH net-next] net/tls: Do not call msg_data_left() twice

[Vakul Garg]

In function tls_sw_sendmsg(), msg_data_left() needs to be called only
once. The second invocation of msg_data_left() for assigning variable
try_to_copy can be removed and merged with the first one.

Signed-off-by: Vakul Garg <vakul.g...@nxp.com>
---
 net/tls/tls_sw.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 0c2d029c9d4c..fd51ce65b99c 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -377,7 +377,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, 
size_t size)
                        goto send_end;
        }
 
-       while (msg_data_left(msg)) {
+       while ((try_to_copy = msg_data_left(msg))) {
                if (sk->sk_err) {
                        ret = -sk->sk_err;
                        goto send_end;
@@ -385,7 +385,6 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, 
size_t size)
 
                orig_size = ctx->sg_plaintext_size;
                full_record = false;
-               try_to_copy = msg_data_left(msg);
                record_room = TLS_MAX_PAYLOAD_SIZE - ctx->sg_plaintext_size;
                if (try_to_copy >= record_room) {
                        try_to_copy = record_room;
-- 
2.13.6