summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/mediatek
diff options
context:
space:
mode:
authorLorenzo Bianconi <lorenzo@kernel.org>2023-09-13 20:42:47 +0200
committerDavid S. Miller <davem@davemloft.net>2023-09-16 11:18:57 +0100
commit01b38de18d06af5e6a703ed2fb8677c376cafc91 (patch)
tree5d5f4f55a01a0b5bb9478586a2b15eac8a0f34dc /drivers/net/ethernet/mediatek
parentc123e0d30bdb54a0f91ec348827eef76877165d8 (diff)
net: ethernet: mtk_wed: do not assume offload callbacks are always set
Check if wlan.offload_enable and wlan.offload_disable callbacks are set in mtk_wed_flow_add/mtk_wed_flow_remove since mt7996 will not rely on them. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mediatek')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index 94376aa2b34c..e7d3525d2e30 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -1713,19 +1713,20 @@ mtk_wed_irq_set_mask(struct mtk_wed_device *dev, u32 mask)
int mtk_wed_flow_add(int index)
{
struct mtk_wed_hw *hw = hw_list[index];
- int ret;
+ int ret = 0;
- if (!hw || !hw->wed_dev)
- return -ENODEV;
+ mutex_lock(&hw_lock);
- if (hw->num_flows) {
- hw->num_flows++;
- return 0;
+ if (!hw || !hw->wed_dev) {
+ ret = -ENODEV;
+ goto out;
}
- mutex_lock(&hw_lock);
- if (!hw->wed_dev) {
- ret = -ENODEV;
+ if (!hw->wed_dev->wlan.offload_enable)
+ goto out;
+
+ if (hw->num_flows) {
+ hw->num_flows++;
goto out;
}
@@ -1744,14 +1745,15 @@ void mtk_wed_flow_remove(int index)
{
struct mtk_wed_hw *hw = hw_list[index];
- if (!hw)
- return;
+ mutex_lock(&hw_lock);
- if (--hw->num_flows)
- return;
+ if (!hw || !hw->wed_dev)
+ goto out;
- mutex_lock(&hw_lock);
- if (!hw->wed_dev)
+ if (!hw->wed_dev->wlan.offload_disable)
+ goto out;
+
+ if (--hw->num_flows)
goto out;
hw->wed_dev->wlan.offload_disable(hw->wed_dev);