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RDMA/usnic: Fix memleak in find_free_vf_and_create_qp_grp
commita306aba9c8
upstream. If usnic_ib_qp_grp_create() fails at the first call, dev_list will not be freed on error, which leads to memleak. Fixes:e3cf00d0a8
("IB/usnic: Add Cisco VIC low-level hardware driver") Link: https://lore.kernel.org/r/20201226074248.2893-1-dinghao.liu@zju.edu.cn Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 3 additions and 0 deletions
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@ -188,6 +188,7 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
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}
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usnic_uiom_free_dev_list(dev_list);
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dev_list = NULL;
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}
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/* Try to find resources on an unused vf */
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@ -212,6 +213,8 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
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qp_grp_check:
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if (IS_ERR_OR_NULL(qp_grp)) {
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usnic_err("Failed to allocate qp_grp\n");
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if (usnic_ib_share_vf)
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usnic_uiom_free_dev_list(dev_list);
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return ERR_PTR(qp_grp ? PTR_ERR(qp_grp) : -ENOMEM);
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}
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return qp_grp;
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