diff options
Diffstat (limited to 'crypto/ui/ui_openssl.c')
-rw-r--r-- | crypto/ui/ui_openssl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/ui/ui_openssl.c b/crypto/ui/ui_openssl.c index 0a38658c72..42524d42a2 100644 --- a/crypto/ui/ui_openssl.c +++ b/crypto/ui/ui_openssl.c @@ -372,7 +372,8 @@ static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl) /* Internal functions to open, handle and close a channel to the console. */ static int open_console(UI *ui) { - CRYPTO_THREAD_write_lock(ui->lock); + if (!CRYPTO_THREAD_write_lock(ui->lock)) + return 0; is_a_tty = 1; # if defined(OPENSSL_SYS_VXWORKS) |