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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-04-25 22:36:38 +0300
committerVinod Koul <vinod.koul@intel.com>2017-04-26 09:03:27 +0530
commitfdb980fb17c6a474614dd984b500418a2811d9e7 (patch)
treec654f49472dfab638f36a54625df3fe13b8d5ac5 /drivers/dma
parente57d05520f9c89cf7616fc8c65dafb1ceb7a4c63 (diff)
dmaengine: virt-dma: Convert to use list_for_each_entry_safe()
Use list_for_each_entry_safe() instead of open coding variants. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/virt-dma.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/dma/virt-dma.c b/drivers/dma/virt-dma.c
index e47fc9b0944f..545e97279083 100644
--- a/drivers/dma/virt-dma.c
+++ b/drivers/dma/virt-dma.c
@@ -86,7 +86,7 @@ EXPORT_SYMBOL_GPL(vchan_find_desc);
static void vchan_complete(unsigned long arg)
{
struct virt_dma_chan *vc = (struct virt_dma_chan *)arg;
- struct virt_dma_desc *vd;
+ struct virt_dma_desc *vd, *_vd;
struct dmaengine_desc_callback cb;
LIST_HEAD(head);
@@ -103,8 +103,7 @@ static void vchan_complete(unsigned long arg)
dmaengine_desc_callback_invoke(&cb, NULL);
- while (!list_empty(&head)) {
- vd = list_first_entry(&head, struct virt_dma_desc, node);
+ list_for_each_entry_safe(vd, _vd, &head, node) {
dmaengine_desc_get_callback(&vd->tx, &cb);
list_del(&vd->node);
@@ -119,9 +118,9 @@ static void vchan_complete(unsigned long arg)
void vchan_dma_desc_free_list(struct virt_dma_chan *vc, struct list_head *head)
{
- while (!list_empty(head)) {
- struct virt_dma_desc *vd = list_first_entry(head,
- struct virt_dma_desc, node);
+ struct virt_dma_desc *vd, *_vd;
+
+ list_for_each_entry_safe(vd, _vd, head, node) {
if (dmaengine_desc_test_reuse(&vd->tx)) {
list_move_tail(&vd->node, &vc->desc_allocated);
} else {