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-rw-r--r--extras/libmemif/src/socket.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/extras/libmemif/src/socket.c b/extras/libmemif/src/socket.c
index 7c4bbd437d2..b25b0261d77 100644
--- a/extras/libmemif/src/socket.c
+++ b/extras/libmemif/src/socket.c
@@ -506,7 +506,8 @@ memif_msg_receive_add_region (memif_connection_t * c, memif_msg_t * msg,
c->regions[ar->index].region_size = ar->size;
c->regions[ar->index].addr = NULL;
- if (lm->get_external_region_addr)
+ /* region 0 is never external */
+ if (lm->get_external_region_addr && (ar->index != 0))
c->regions[ar->index].is_external = 1;
return MEMIF_ERR_SUCCESS; /* 0 */