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authorAxel Lin <axel.lin@ingics.com>2014-11-03 19:21:54 +0100
committerSantosh Shilimkar <santosh.shilimkar@oracle.com>2014-11-03 19:22:06 +0100
commit148bb0439adeeae466dca31dd4c643e194bee023 (patch)
treee8bfa8d36d8493c96c7409248f3d2b68fd5c097e /drivers/soc/ti
parentsoc: ti: knav_qmss_queue: Return proper error if devm_kzalloc fails (diff)
downloadlinux-148bb0439adeeae466dca31dd4c643e194bee023.tar.xz
linux-148bb0439adeeae466dca31dd4c643e194bee023.zip
soc: ti: knav_qmss_queue: Use list_for_each_entry_safe to prevent use after free
list_for_each_entry_safe() is necessary if list objects are deleted from the list while traversing it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Diffstat (limited to 'drivers/soc/ti')
-rw-r--r--drivers/soc/ti/knav_qmss_queue.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c
index 6f22d5622c98..9b8dd6732681 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;