There is no security data in the pointer. It is only a value transferred as a structure. It makes no sense to zero a variable that is on the stack. So not need to set the pointer to null. Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx> --- drivers/crypto/hisilicon/qm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 363a02810a16..849dc80a7118 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -1773,7 +1773,6 @@ static void dfx_regs_uninit(struct hisi_qm *qm, dregs[i].regs = NULL; } kfree(dregs); - dregs = NULL; } /** -- 2.17.1
