ethdev: fix xstats by ID on 32-bit

Coverity reported that an argument for sizeof was used improperly.
We should allocate memory for value size that pointer points to,
instead of pointer size itself.

Coverity issue: 144522
Fixes: 79c913a42f0e ("ethdev: retrieve xstats by ID")

Signed-off-by: Michal Jastrzebski <michalx.k.jastrzebski@intel.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 8cf8b65..83898a8 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1714,7 +1714,7 @@ rte_eth_xstats_get_by_id(uint8_t port_id, const uint64_t *ids, uint64_t *values,
 
                size = rte_eth_xstats_get_by_id(port_id, NULL, NULL, 0);
 
-               values_copy = malloc(sizeof(values_copy) * size);
+               values_copy = malloc(sizeof(*values_copy) * size);
                if (!values_copy) {
                        RTE_PMD_DEBUG_TRACE(
                            "ERROR: can't allocate memory for values_copy\n");