lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 22 Aug 2013 09:31:16 +0900 From: Simon Horman <horms@...ge.net.au> To: Jingoo Han <jg1.han@...sung.com> Cc: 'Vinod Koul' <vinod.koul@...el.com>, 'Dan Williams' <djbw@...com>, linux-kernel@...r.kernel.org, 'Guennadi Liakhovetski' <g.liakhovetski@....de> Subject: Re: [PATCH] dma: sh: remove unnecessary platform_set_drvdata() On Wed, Aug 21, 2013 at 06:45:35PM +0900, Jingoo Han wrote: > The driver core clears the driver data to NULL after device_release > or on probe failure. Thus, it is not needed to manually clear the > device driver data to NULL. Acked-by: Simon Horman <horms+renesas@...ge.net.au> Vinod, could you take this? > > Signed-off-by: Jingoo Han <jg1.han@...sung.com> > --- > drivers/dma/sh/shdma.c | 3 --- > drivers/dma/sh/sudmac.c | 2 -- > 2 files changed, 5 deletions(-) > > diff --git a/drivers/dma/sh/shdma.c b/drivers/dma/sh/shdma.c > index 211e2f1..208de0f 100644 > --- a/drivers/dma/sh/shdma.c > +++ b/drivers/dma/sh/shdma.c > @@ -873,7 +873,6 @@ rst_err: > pm_runtime_put(&pdev->dev); > pm_runtime_disable(&pdev->dev); > > - platform_set_drvdata(pdev, NULL); > shdma_cleanup(&shdev->shdma_dev); > eshdma: > if (dmars) > @@ -917,8 +916,6 @@ static int sh_dmae_remove(struct platform_device *pdev) > iounmap(shdev->dmars); > iounmap(shdev->chan_reg); > > - platform_set_drvdata(pdev, NULL); > - > synchronize_rcu(); > kfree(shdev); > > diff --git a/drivers/dma/sh/sudmac.c b/drivers/dma/sh/sudmac.c > index c494417..23fffc8 100644 > --- a/drivers/dma/sh/sudmac.c > +++ b/drivers/dma/sh/sudmac.c > @@ -393,7 +393,6 @@ static int sudmac_probe(struct platform_device *pdev) > chan_probe_err: > sudmac_chan_remove(su_dev); > > - platform_set_drvdata(pdev, NULL); > shdma_cleanup(&su_dev->shdma_dev); > > return err; > @@ -407,7 +406,6 @@ static int sudmac_remove(struct platform_device *pdev) > dma_async_device_unregister(dma_dev); > sudmac_chan_remove(su_dev); > shdma_cleanup(&su_dev->shdma_dev); > - platform_set_drvdata(pdev, NULL); > > return 0; > } > -- > 1.7.10.4 > > -- 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/
Powered by blists - more mailing lists