PR: 2054

Submitted by: Julia Lawall <julia@diku.dk> Approved by: steve@openssl.org Correct BIO_ctrl error handling

PR: 2054
Submitted by: Julia Lawall <julia@diku.dk> Approved by: steve@openssl.org Correct BIO_ctrl error handling
ff613640 · Dr. Stephen Henson · aec13c1a · ff613640
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ssl/d1_both.c ssl/d1_both.c +1 -1

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--- a/ssl/d1_both.c
+++ b/ssl/d1_both.c
@@ -279,7 +279,7 @@ int dtls1_do_write(SSL *s, int type)
 			 * retransmit 
 			 */
 			if ( BIO_ctrl(SSL_get_wbio(s),
-				BIO_CTRL_DGRAM_MTU_EXCEEDED, 0, NULL))
+				BIO_CTRL_DGRAM_MTU_EXCEEDED, 0, NULL) > 0 )
 				s->d1->mtu = BIO_ctrl(SSL_get_wbio(s),
 					BIO_CTRL_DGRAM_QUERY_MTU, 0, NULL);
 			else