From: Vakul Garg <vakul.garg@xxxxxxx>
[ Upstream commit 150085791afb8054e11d2e080d4b9cd755dd7f69 ]
In tls_sw_sendmsg() and tls_sw_sendpage(), the variable 'ret' has
been set to return value of tls_complete_pending_work(). This allows
return of proper error code if tls_complete_pending_work() fails.
Fixes: 3c4d7559159b ("tls: kernel TLS support")
Signed-off-by: Vakul Garg <vakul.garg@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/tls/tls_sw.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -354,7 +354,7 @@ int tls_sw_sendmsg(struct sock *sk, stru
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx);
- int ret = 0;
+ int ret;
int required_size;
long timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
bool eor = !(msg->msg_flags & MSG_MORE);
@@ -370,7 +370,8 @@ int tls_sw_sendmsg(struct sock *sk, stru
lock_sock(sk);
- if (tls_complete_pending_work(sk, tls_ctx, msg->msg_flags, &timeo))
+ ret = tls_complete_pending_work(sk, tls_ctx, msg->msg_flags, &timeo);
+ if (ret)
goto send_end;
if (unlikely(msg->msg_controllen)) {
@@ -505,7 +506,7 @@ int tls_sw_sendpage(struct sock *sk, str
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx);
- int ret = 0;
+ int ret;
long timeo = sock_sndtimeo(sk, flags & MSG_DONTWAIT);
bool eor;
size_t orig_size = size;
@@ -525,7 +526,8 @@ int tls_sw_sendpage(struct sock *sk, str
sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk);
- if (tls_complete_pending_work(sk, tls_ctx, flags, &timeo))
+ ret = tls_complete_pending_work(sk, tls_ctx, flags, &timeo);
+ if (ret)
goto sendpage_end;
/* Call the sk_stream functions to manage the sndbuf mem. */
