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crypto: hisilicon/hpre - fix resource leak in remove process

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In hpre_remove(), when the disable operation of qm sriov failed,
the following logic should continue to be executed to release the
remaining resources that have been allocated, instead of returning
directly, otherwise there will be resource leakage.

Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Zhiqi Song
2022-09-24 15:38:31 +08:00
committed by Herbert Xu
parent 9f6035af06
commit 45e6319bd5
1 changed files with 2 additions and 8 deletions
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10
drivers/crypto/hisilicon/hpre/hpre_main.c
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@@ -1437,18 +1437,12 @@ static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id)
static void hpre_remove(struct pci_dev *pdev)
{
struct hisi_qm *qm = pci_get_drvdata(pdev);
int ret;
hisi_qm_pm_uninit(qm);
hisi_qm_wait_task_finish(qm, &hpre_devices);
hisi_qm_alg_unregister(qm, &hpre_devices);
if (qm->fun_type == QM_HW_PF && qm->vfs_num) {
ret = hisi_qm_sriov_disable(pdev, true);
if (ret) {
pci_err(pdev, "Disable SRIOV fail!\n");
return;
}
}
if (qm->fun_type == QM_HW_PF && qm->vfs_num)
hisi_qm_sriov_disable(pdev, true);
hpre_debugfs_exit(qm);
hisi_qm_stop(qm, QM_NORMAL);