ip_frag: fix build with gcc 5.1

On Fedora 22, with GCC 5.1, errors are reported due to array accesses
being potentially out of bounds. This commit fixes this by adding in an
extra bounds check to the loop counter.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>

diff --git a/lib/librte_ip_frag/ip_frag_common.h b/lib/librte_ip_frag/ip_frag_common.h
index 210f409d605101da68ce04617c7c6ed5940ccd06..6b2acee5af8e1d2ae401e9085205f87dc4e09bd2 100644 (file)
--- a/lib/librte_ip_frag/ip_frag_common.h
+++ b/lib/librte_ip_frag/ip_frag_common.h
@@ -90,7 +90,7 @@ static inline int
 ip_frag_key_is_empty(const struct ip_frag_key * key)
 {
        uint32_t i;
-       for (i = 0; i < key->key_len; i++)
+       for (i = 0; i < RTE_MIN(key->key_len, RTE_DIM(key->src_dst)); i++)
                if (key->src_dst[i] != 0)
                        return 0;
        return 1;