net/mlx5: handle Rx CQE compression

[dpdk.git] / lib / librte_eal / common / eal_common_memzone.c

diff --git a/lib/librte_eal/common/eal_common_memzone.c b/lib/librte_eal/common/eal_common_memzone.c
index 452679e..5d28341 100644 (file)
--- a/lib/librte_eal/common/eal_common_memzone.c
+++ b/lib/librte_eal/common/eal_common_memzone.c
@@ -119,6 +119,9 @@ find_heap_max_free_elem(int *s, unsigned align)
                }
        }
 
+       if (len < MALLOC_ELEM_OVERHEAD + align)
+               return 0;
+
        return len - MALLOC_ELEM_OVERHEAD - align;
 }
 
@@ -197,8 +200,13 @@ memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,
        if (len == 0) {
                if (bound != 0)
                        requested_len = bound;
-               else
+               else {
                        requested_len = find_heap_max_free_elem(&socket_id, align);
+                       if (requested_len == 0) {
+                               rte_errno = ENOMEM;
+                               return NULL;
+                       }
+               }
        }
 
        if (socket_id == SOCKET_ID_ANY)