amd/pds_core: core: No need for Null pointer check before kfree
authorBragatheswaran Manickavel <bragathemanick0908@gmail.com>
Tue, 24 Oct 2023 18:20:51 +0000 (23:50 +0530)
committerDavid S. Miller <davem@davemloft.net>
Wed, 25 Oct 2023 09:34:28 +0000 (10:34 +0100)
kfree()/vfree() internally perform NULL check on the
pointer handed to it and take no action if it indeed is
NULL. Hence there is no need for a pre-check of the memory
pointer before handing it to kfree()/vfree().

Issue reported by ifnullfree.cocci Coccinelle semantic
patch script.

Signed-off-by: Bragatheswaran Manickavel <bragathemanick0908@gmail.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/amd/pds_core/core.c

index 2a8643e..0d2091e 100644 (file)
@@ -152,11 +152,8 @@ void pdsc_qcq_free(struct pdsc *pdsc, struct pdsc_qcq *qcq)
                dma_free_coherent(dev, qcq->cq_size,
                                  qcq->cq_base, qcq->cq_base_pa);
 
-       if (qcq->cq.info)
-               vfree(qcq->cq.info);
-
-       if (qcq->q.info)
-               vfree(qcq->q.info);
+       vfree(qcq->cq.info);
+       vfree(qcq->q.info);
 
        memset(qcq, 0, sizeof(*qcq));
 }