From: Andrzej Hajda Date: Tue, 9 Sep 2014 13:16:05 +0000 (+0200) Subject: drm/exynos/ipp: traverse ipp drivers list safely X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a36ed466870ef65755492a69886a38362d33d90e;p=openwrt%2Fstaging%2Fblogic.git drm/exynos/ipp: traverse ipp drivers list safely On ipp subsystem removal list of ipp drivers is traversed and their members are deleted. To do it properly safe version of list_for_each* should be used. Signed-off-by: Andrzej Hajda Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 4f36a9d91926..00d74b18f7cb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -1605,11 +1605,11 @@ err: static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev) { - struct exynos_drm_ippdrv *ippdrv; + struct exynos_drm_ippdrv *ippdrv, *t; struct ipp_context *ctx = get_ipp_context(dev); /* get ipp driver entry */ - list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { + list_for_each_entry_safe(ippdrv, t, &exynos_drm_ippdrv_list, drv_list) { if (is_drm_iommu_supported(drm_dev)) drm_iommu_detach_device(drm_dev, ippdrv->dev);