From: Ondřej Surý <ondrej@sury.org>
Date: Mon, 13 Aug 2018 07:35:42 +0000 (+0200)
Subject: Make ENOBUFS a soft error
X-Git-Tag: v9.13.3~65^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebf3083e08f844160e3b868234328060f38dda86;p=thirdparty%2Fbind9.git

Make ENOBUFS a soft error
---

diff --git a/lib/isc/unix/socket.c b/lib/isc/unix/socket.c
index b7bacadcba9..5e12edb6866 100644
--- a/lib/isc/unix/socket.c
+++ b/lib/isc/unix/socket.c
@@ -255,6 +255,7 @@ typedef enum { poll_idle, poll_active, poll_checking } pollstate_t;
  */
 #define SOFT_ERROR(e)	((e) == EAGAIN || \
 			 (e) == EWOULDBLOCK || \
+			 (e) == ENOBUFS || \
 			 (e) == EINTR || \
 			 (e) == 0)
 
@@ -1950,7 +1951,7 @@ doio_recv(isc__socket_t *sock, isc_socketevent_t *dev) {
 		SOFT_OR_HARD(EHOSTDOWN, ISC_R_HOSTDOWN);
 		/* HPUX 11.11 can return EADDRNOTAVAIL. */
 		SOFT_OR_HARD(EADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL);
-		ALWAYS_HARD(ENOBUFS, ISC_R_NORESOURCES);
+		SOFT_OR_HARD(ENOBUFS, ISC_R_NORESOURCES);
 		/* Should never get this one but it was seen. */
 #ifdef ENOPROTOOPT
 		SOFT_OR_HARD(ENOPROTOOPT, ISC_R_HOSTUNREACH);
@@ -2147,7 +2148,7 @@ doio_send(isc__socket_t *sock, isc_socketevent_t *dev) {
 		ALWAYS_HARD(EHOSTDOWN, ISC_R_HOSTUNREACH);
 #endif
 		ALWAYS_HARD(ENETUNREACH, ISC_R_NETUNREACH);
-		ALWAYS_HARD(ENOBUFS, ISC_R_NORESOURCES);
+		SOFT_OR_HARD(ENOBUFS, ISC_R_NORESOURCES);
 		ALWAYS_HARD(EPERM, ISC_R_HOSTUNREACH);
 		ALWAYS_HARD(EPIPE, ISC_R_NOTCONNECTED);
 		ALWAYS_HARD(ECONNRESET, ISC_R_CONNECTIONRESET);