[PATCH 1/9] drm/exynos/ipp: traverse ipp drivers list safely

[Andrzej Hajda]

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 <a.hajda at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_ipp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c 
b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 4f36a9d..00d74b1 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);

-- 
1.9.1