1 files changed, 6 insertions, 3 deletions

diff --git a/src/idevice.c b/src/idevice.c
index 2252d22..0af27fd 100644
--- a/src/idevice.c
+++ b/src/idevice.c
@@ -1079,13 +1079,14 @@ static long ssl_idevice_bio_callback(BIO *b, int oper, const char *argp, int arg
         idevice_connection_t conn = (idevice_connection_t)BIO_get_callback_arg(b);
 #if OPENSSL_VERSION_NUMBER < 0x30000000L
         size_t len = (size_t)argi;
-        size_t *processed = (size_t*)&bytes;
 #endif
         switch (oper) {
         case (BIO_CB_READ|BIO_CB_RETURN):
                 if (argp) {
                         bytes = internal_ssl_read(conn, (char *)argp, len);
-                        *processed = bytes;
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+                        *processed = (size_t)(bytes < 0) ? 0 : bytes;
+#endif
                         return (long)bytes;
                 }
                 return 0;
@@ -1094,7 +1095,9 @@ static long ssl_idevice_bio_callback(BIO *b, int oper, const char *argp, int arg
                 // fallthrough
         case (BIO_CB_WRITE|BIO_CB_RETURN):
                 bytes = internal_ssl_write(conn, argp, len);
-                *processed = bytes;
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+                *processed = (size_t)(bytes < 0) ? 0 : bytes;
+#endif
                 return (long)bytes;
         default:
                 return retvalue;