commit aac7d69207fa08c0114625fbfb35a11d88a0cace

Author: dormando <dormando@rydia.net>

Date:   Mon Mar 16 19:46:12 2020 -0700

    tls: handle accept errors properly

    0 return from accept is also an error. pointed out by @tharanga on

    review.

diff --git a/memcached.c b/memcached.c

index be93474..b9ce8b1 100644

--- a/memcached.c

+++ b/memcached.c

@@ -7021,7 +7021,7 @@ static void drive_machine(conn *c) {

                     }

                     SSL_set_fd(ssl, sfd);

                     int ret = SSL_accept(ssl);

-                    if (ret < 0) {

+                    if (ret <= 0) {

                         int err = SSL_get_error(ssl, ret);

                         if (err == SSL_ERROR_SYSCALL || err == SSL_ERROR_SSL) {

                             if (settings.verbose) {