attr: prevent garbage return value for NULL param

If nla is not given, then tmp is not set. Explicitly initalize with 0
to prevent garbage values. Found by Clang static analyzer.

Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Signed-off-by: Thomas Haller <thaller@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/attr.c b/lib/attr.c
index 66c029c9..d3de3993 100644
--- a/lib/attr.c
+++ b/lib/attr.c
@@ -648,7 +648,7 @@ int nla_put_u64(struct nl_msg *msg, int attrtype, uint64_t value)
  */
 uint64_t nla_get_u64(struct nlattr *nla)
 {
-	uint64_t tmp;
+	uint64_t tmp = 0;
 
 	nla_memcpy(&tmp, nla, sizeof(tmp));