[dpdk-dev] [PATCH] app/testpmd: fix dereference null return valiue

[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.si...@intel.com>
---
 app/test-pmd/tm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/test-pmd/tm.c b/app/test-pmd/tm.c
index b76335c..7231552 100644
--- a/app/test-pmd/tm.c
+++ b/app/test-pmd/tm.c
@@ -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] =
-- 
2.9.3