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

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[ Upstream commit 45e6319bd5 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhiqi Song
2022-09-24 15:38:31 +08:00
committed by Greg Kroah-Hartman
parent adf6a00859
commit 2b3e3ecdb4
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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@@ -1143,18 +1143,12 @@ err_with_qm_init:
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);