On Wed, Jun 08, 2016 at 01:33:40PM +0200, Marek Szyprowski wrote:
> This patch fixes the error path in the driver probe, so in case of
> any failure, the resources are not leaked.
>
> Reported-by: Liviu Dudau <liviu.dudau@xxxxxxx>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Looks good to me now! If it is useful:
Acked-by: Liviu Dudau <Liviu.Dudau@xxxxxxx>
> ---
> drivers/media/platform/s5p-mfc/s5p_mfc.c | 14 +++++++++-----
> 1 file changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> index 6ee620ee8cd5..1f3a7ee753db 100644
> --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
> +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> @@ -1159,7 +1159,10 @@ static int s5p_mfc_probe(struct platform_device *pdev)
> dev->variant = mfc_get_drv_data(pdev);
>
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -
> + if (res == NULL) {
> + dev_err(&pdev->dev, "failed to get io resource\n");
> + return -ENOENT;
> + }
> dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
> if (IS_ERR(dev->regs_base))
> return PTR_ERR(dev->regs_base);
> @@ -1167,15 +1170,14 @@ static int s5p_mfc_probe(struct platform_device *pdev)
> res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
> if (res == NULL) {
> dev_err(&pdev->dev, "failed to get irq resource\n");
> - ret = -ENOENT;
> - goto err_res;
> + return -ENOENT;
> }
> dev->irq = res->start;
> ret = devm_request_irq(&pdev->dev, dev->irq, s5p_mfc_irq,
> 0, pdev->name, dev);
> if (ret) {
> dev_err(&pdev->dev, "Failed to install irq (%d)\n", ret);
> - goto err_res;
> + return ret;
> }
>
> ret = s5p_mfc_configure_dma_memory(dev);
> @@ -1187,7 +1189,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
> ret = s5p_mfc_init_pm(dev);
> if (ret < 0) {
> dev_err(&pdev->dev, "failed to get mfc clock source\n");
> - return ret;
> + goto err_dma;
> }
>
> vb2_dma_contig_set_max_seg_size(dev->mem_dev_l, DMA_BIT_MASK(32));
> @@ -1301,6 +1303,8 @@ err_mem_init_ctx_1:
> vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]);
> err_res:
> s5p_mfc_final_pm(dev);
> +err_dma:
> + s5p_mfc_unconfigure_dma_memory(dev);
>
> pr_debug("%s-- with error\n", __func__);
> return ret;
> --
> 1.9.2
>
--
-------------------
.oooO
( )
\ ( Oooo.
\_) ( )
) /
(_/
One small step
for me ...
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