[PATCH] soc: ti: knav_qmss_queue: Use list_for_each_entry_safe to prevent use after free

[Axel Lin]

list_for_each_entry_safe() is necessary if list objects are deleted from
the list while traversing it.

Signed-off-by: Axel Lin <axel....@ingics.com>
---
 drivers/soc/ti/knav_qmss_queue.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c
index 6f22d56..9b8dd67 100644
--- a/drivers/soc/ti/knav_qmss_queue.c
+++ b/drivers/soc/ti/knav_qmss_queue.c
@@ -1306,14 +1306,14 @@ static void knav_free_queue_ranges(struct knav_device 
*kdev)
 static void knav_queue_free_regions(struct knav_device *kdev)
 {
        struct knav_region *region;
-       struct knav_pool *pool;
+       struct knav_pool *pool, *tmp;
        unsigned size;
 
        for (;;) {
                region = first_region(kdev);
                if (!region)
                        break;
-               list_for_each_entry(pool, &region->pools, region_inst)
+               list_for_each_entry_safe(pool, tmp, &region->pools, region_inst)
                        knav_pool_destroy(pool);
 
                size = region->virt_end - region->virt_start;
-- 
1.9.1



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/