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-rw-r--r--crypto/bio/bss_dgram.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index b42e87b107..49cf56ad19 100644
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -722,6 +722,10 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
case BIO_CTRL_DGRAM_SET_PEER:
BIO_ADDR_make(&data->peer, BIO_ADDR_sockaddr((BIO_ADDR *)ptr));
break;
+ case BIO_C_SET_NBIO:
+ if (!BIO_socket_nbio(b->num, num != 0))
+ ret = 0;
+ break;
case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
data->next_timeout = ossl_time_from_timeval(*(struct timeval *)ptr);
break;