[PATCH RESEND v2 09/11] malloc: check result of malloc_elem_free

[okaya]

From: Sinan Kaya <ok...@kernel.org>

In malloc_heap_free result of call to malloc_elem_free is dereferenced
here and may be null.

Signed-off-by: Sinan Kaya <ok...@kernel.org>
---
 lib/eal/common/malloc_heap.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/eal/common/malloc_heap.c b/lib/eal/common/malloc_heap.c
index 88270ce4d2..6eb6fcda5e 100644
--- a/lib/eal/common/malloc_heap.c
+++ b/lib/eal/common/malloc_heap.c
@@ -892,6 +892,9 @@ malloc_heap_free(struct malloc_elem *elem)
        /* anything after this is a bonus */
        ret = 0;
 
+       if (elem == NULL)
+               goto free_unlock;
+
        /* ...of which we can't avail if we are in legacy mode, or if this is an
         * externally allocated segment.
         */
-- 
2.25.1