[PATCH] librdmacm: do not pass uninitialized ai_hints into getaddrinfo

["Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

If rdma_getaddrinfo is called with hints set to NULL, then an
uninitialized ai_hints structure will be passed into getaddrinfo.

Signed-off-by: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 src/addrinfo.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
 mode change 100644 => 100755 src/addrinfo.c

diff --git a/src/addrinfo.c b/src/addrinfo.c
index c8d9f0c..7c7056f
--- a/src/addrinfo.c
+++ b/src/addrinfo.c
@@ -136,17 +136,21 @@ int rdma_getaddrinfo(char *node, char *service,
 {
 	struct rdma_addrinfo *rai;
 	struct addrinfo ai_hints;
-	struct addrinfo *ai;
+	struct addrinfo *ai, *aih;
 	int ret;
 
 	ret = ucma_init();
 	if (ret)
 		return ret;
 
-	if (hints)
+	if (hints) {
 		ucma_convert_to_ai(&ai_hints, hints);
+		aih = &ai_hints;
+	} else {
+		aih = NULL;
+	}
 
-	ret = getaddrinfo(node, service, &ai_hints, &ai);
+	ret = getaddrinfo(node, service, aih, &ai);
 	if (ret)
 		return ret;
 


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