From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH] iommu/mediatek: Do not call of_node_put in mtk_iommu_of_xlate Date: Wed, 8 Jun 2016 17:50:44 +0800 Message-ID: <1465379444-14719-1-git-send-email-honghui.zhang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org, treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robin.murphy-5wv7dgnIgG8@public.gmane.org Cc: p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, pebolle-IWqWACnzNjzz+pZb47iToQ@public.gmane.org, kendrick.hsu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, tfiga-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, djkurtz-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, yingjoe.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, youlin.pei-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, erin.lo-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Honghui Zhang List-Id: devicetree@vger.kernel.org From: Honghui Zhang The device_node will be released in of_iommu_configure, it may be double released if call of_node_put in mtk_iommu_of_xlate. Signed-off-by: Honghui Zhang --- drivers/iommu/mtk_iommu.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index c3043d8..493bd3e 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -455,7 +455,6 @@ static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) if (!dev->archdata.iommu) { /* Get the m4u device */ m4updev = of_find_device_by_node(args->np); - of_node_put(args->np); if (WARN_ON(!m4updev)) return -EINVAL; -- 1.8.1.1.dirty -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html