diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2023-10-05 10:12:00 +0900 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-06 16:19:13 -0700 |
| commit | e6864af61493113558c502b5cd0d754c19b93277 (patch) | |
| tree | cc77dd589a0058fad55b971b3184621c7377e06e | |
| parent | aba0e909dc20eceb1de985474af459f82e7b0b82 (diff) | |
| download | linux-e6864af61493113558c502b5cd0d754c19b93277.tar.gz | |
ravb: Fix up dma_free_coherent() call in ravb_remove()
In ravb_remove(), dma_free_coherent() should be call after
unregister_netdev(). Otherwise, this controller is possible to use
the freed buffer.
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20231005011201.14368-2-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 7df9f9f8e13402..9e2e801049cc89 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2891,8 +2891,6 @@ static int ravb_remove(struct platform_device *pdev) clk_disable_unprepare(priv->gptp_clk); clk_disable_unprepare(priv->refclk); - dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, - priv->desc_bat_dma); /* Set reset mode */ ravb_write(ndev, CCC_OPC_RESET, CCC); unregister_netdev(ndev); @@ -2900,6 +2898,8 @@ static int ravb_remove(struct platform_device *pdev) netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); ravb_mdio_release(priv); + dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, + priv->desc_bat_dma); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); reset_control_assert(priv->rstc); |