lkml.org 
[lkml]   [2021]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/3] PCI: tegra: Fix OF node reference leak
From
Date
Reviewed-by: Vidya Sagar <vidyas@nvidia.com>

On 5/4/2021 10:47 PM, Christophe JAILLET wrote:
> Commit 9e38e690ace3 ("PCI: tegra: Fix OF node reference leak") has fixed
> some node reference leaks in this function but missed some of them.
>
> In fact, having 'port' referenced in the 'rp' structure is not enough to
> prevent the leak, until 'rp' is actually added in the 'pcie->ports' list.
>
> Add the missing 'goto err_node_put' accordingly.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> drivers/pci/controller/pci-tegra.c | 13 ++++++++-----
> 1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
> index 8069bd9232d4..006bf0346dec 100644
> --- a/drivers/pci/controller/pci-tegra.c
> +++ b/drivers/pci/controller/pci-tegra.c
> @@ -2193,13 +2193,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
> rp->np = port;
>
> rp->base = devm_pci_remap_cfg_resource(dev, &rp->regs);
> - if (IS_ERR(rp->base))
> - return PTR_ERR(rp->base);
> + if (IS_ERR(rp->base)) {
> + err = PTR_ERR(rp->base);
> + goto err_node_put;
> + }
>
> label = devm_kasprintf(dev, GFP_KERNEL, "pex-reset-%u", index);
> if (!label) {
> - dev_err(dev, "failed to create reset GPIO label\n");
> - return -ENOMEM;
> + err = -ENOMEM;
> + goto err_node_put;
> }
>
> /*
> @@ -2217,7 +2219,8 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
> } else {
> dev_err(dev, "failed to get reset GPIO: %ld\n",
> PTR_ERR(rp->reset_gpio));
> - return PTR_ERR(rp->reset_gpio);
> + err = PTR_ERR(rp->reset_gpio);
> + goto err_node_put;
> }
> }
>
>

\
 
 \ /
  Last update: 2021-07-05 19:02    [W:0.113 / U:0.192 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site