Heap use after free error is detected in AddressSanitizer while quitting
the testpmd application.Issue is due to accessing the empty control
queue in the idpf_ctlq_deinit function.idpf_ctlq_deinit function is called
during the rte_eal_cleanup routine.
This patch will fix this issue.

Fixes: fb4ac04e9bfa ("common/idpf: introduce common library")
Cc: sta...@dpdk.org

Signed-off-by: Praveen Shetty <praveen.she...@intel.com>
---
 drivers/common/idpf/base/idpf_controlq.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/common/idpf/base/idpf_controlq.c 
b/drivers/common/idpf/base/idpf_controlq.c
index 4f47759a4f..8f404d3083 100644
--- a/drivers/common/idpf/base/idpf_controlq.c
+++ b/drivers/common/idpf/base/idpf_controlq.c
@@ -248,9 +248,10 @@ int idpf_ctlq_init(struct idpf_hw *hw, u8 num_q,
        return 0;
 
 init_destroy_qs:
-       LIST_FOR_EACH_ENTRY_SAFE(cq, tmp, &hw->cq_list_head,
-                                idpf_ctlq_info, cq_list)
+       while (!LIST_EMPTY(&hw->cq_list_head)) {
+               cq = LIST_FIRST(&hw->cq_list_head);
                idpf_ctlq_remove(hw, cq);
+       }
 
        return err;
 }
@@ -263,9 +264,10 @@ void idpf_ctlq_deinit(struct idpf_hw *hw)
 {
        struct idpf_ctlq_info *cq = NULL, *tmp = NULL;
 
-       LIST_FOR_EACH_ENTRY_SAFE(cq, tmp, &hw->cq_list_head,
-                                idpf_ctlq_info, cq_list)
+       while (!LIST_EMPTY(&hw->cq_list_head)) {
+               cq = LIST_FIRST(&hw->cq_list_head);
                idpf_ctlq_remove(hw, cq);
+       }
 }
 
 /**
-- 
2.34.1

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