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Date: Wed, 24 Oct 2012 09:35:50 +0530 From: Vinod Koul <vkoul@...radead.org> To: Inderpal Singh <inderpal.singh@...aro.org> Cc: vinod.koul@...el.com, linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, jassisinghbrar@...il.com, boojin.kim@...sung.com, patches@...aro.org, kgene.kim@...sung.com Subject: Re: [PATCH v2 1/4] DMA: PL330: Free memory allocated for peripheral channels On Fri, 2012-10-05 at 15:47 +0530, Inderpal Singh wrote: > The allocated memory for peripheral channels is not being freed upon > failure in probe and in module's remove funtion. It will lead to memory > leakage. Hence free the allocated memory. > > Signed-off-by: Inderpal Singh <inderpal.singh@...aro.org> > --- > drivers/dma/pl330.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c > index 2ebd4cd..10c6b6a 100644 > --- a/drivers/dma/pl330.c > +++ b/drivers/dma/pl330.c > @@ -2962,7 +2962,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) > ret = dma_async_device_register(pd); > if (ret) { > dev_err(&adev->dev, "unable to register DMAC\n"); > - goto probe_err4; > + goto probe_err5; > } > > dev_info(&adev->dev, > @@ -2975,6 +2975,8 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) > > return 0; > > +probe_err5: > + kfree(pdmac->peripherals); > probe_err4: > pl330_del(pi); > probe_err3: > @@ -3025,6 +3027,7 @@ static int __devexit pl330_remove(struct amba_device *adev) > res = &adev->res; > release_mem_region(res->start, resource_size(res)); > > + kfree(pdmac->peripherals); > kfree(pdmac); > > return 0; This looks fine, but if you use devm_ functions then you dont need to do all this. Can you do that conversion instead? -- Vinod Koul Intel Corp. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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