[PATCH v1 1/1] baseband/acc: fix check after deref and dead code
Hernan Vargas
hernan.vargas at intel.com
Fri Nov 4 04:52:09 CET 2022
Fix potential issue of dereferencing a pointer before null check.
Remove null check for value that could never be null.
Coverity issue: 381646, 381631
Fixes: 989dec301a9 ("baseband/acc100: add ring companion address")
Signed-off-by: Hernan Vargas <hernan.vargas at intel.com>
---
drivers/baseband/acc/rte_acc100_pmd.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index 96daef87bc..30a718916d 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -4122,15 +4122,11 @@ acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
struct rte_bbdev_enc_op *op;
union acc_dma_desc *desc;
- if (q == NULL)
- return 0;
#ifdef RTE_LIBRTE_BBDEV_DEBUG
if (unlikely(ops == 0))
return 0;
#endif
desc = q->ring_addr + (q->sw_ring_tail & q->sw_ring_wrap_mask);
- if (unlikely(desc == NULL))
- return 0;
op = desc->req.op_addr;
if (unlikely(ops == NULL || op == NULL))
return 0;
--
2.37.1
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