tls: Fixed uninitialised vars warning

In tls_sw_sendmsg() and tls_sw_sendpage(), it is possible that the
uninitialised variable 'ret' gets passed to sk_stream_error(). So
initialise local variable 'ret' to '0. The warnings were detected by
'smatch' tool.

Fixes: a42055e8d2c3 ("net/tls: Add support for async encryption")
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index d30d65b..bf03f32 100644 (file)
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -690,7 +690,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
        int record_room;
        int num_zc = 0;
        int orig_size;
-       int ret;
+       int ret = 0;
 
        if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL))
                return -ENOTSUPP;
@@ -882,8 +882,8 @@ int tls_sw_sendpage(struct sock *sk, struct page *page,
        int num_async = 0;
        bool full_record;
        int record_room;
+       int ret = 0;
        bool eor;
-       int ret;
 
        if (flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL |
                      MSG_SENDPAGE_NOTLAST))