[dpdk-dev] app/testpmd: fix dereference null return valiue
Checks
Commit Message
Calloc() function might returns NULL due to insufficient space. Therefore,
check for handling memory allocation failure is added.
Coverity issue: 257030
Fixes: 5b590fbe09b6 ("app/testpmd: add traffic management forwarding mode")
Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
---
app/test-pmd/tm.c | 4 ++++
1 file changed, 4 insertions(+)
Comments
22/01/2018 16:45, Jasvinder Singh:
> Calloc() function might returns NULL due to insufficient space. Therefore,
> check for handling memory allocation failure is added.
>
> Coverity issue: 257030
> Fixes: 5b590fbe09b6 ("app/testpmd: add traffic management forwarding mode")
>
> Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Applied, thanks
@@ -575,6 +575,10 @@ softport_tm_tc_node_add(portid_t port_id, struct tm_hierarchy *h,
tc_parent_node_id = h->pipe_node_id[i][j];
tnp.shared_shaper_id =
(uint32_t *)calloc(1, sizeof(uint32_t));
+ if (tnp.shared_shaper_id == NULL) {
+ printf("Shared shaper mem alloc err\n");
+ return -1;
+ }
tnp.shared_shaper_id[0] = k;
pos = j + (i * PIPE_NODES_PER_SUBPORT);
h->tc_node_id[pos][k] =