Commit c98b0537 authored by Timur Tabi's avatar Timur Tabi Committed by David S. Miller

net: qcom/emac: fix double free of SGMII IRQ during shutdown

If the interface is not up, then don't try to close it during a
shutdown.  This avoids possible double free of the IRQ, which
can happen during a shutdown.

Fixes: 03eb3eb4 ("net: qcom/emac: add shutdown function")
Signed-off-by: default avatarTimur Tabi <timur@codeaurora.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a8f5cb9e
...@@ -766,11 +766,13 @@ static void emac_shutdown(struct platform_device *pdev) ...@@ -766,11 +766,13 @@ static void emac_shutdown(struct platform_device *pdev)
struct emac_adapter *adpt = netdev_priv(netdev); struct emac_adapter *adpt = netdev_priv(netdev);
struct emac_sgmii *sgmii = &adpt->phy; struct emac_sgmii *sgmii = &adpt->phy;
if (netdev->flags & IFF_UP) {
/* Closing the SGMII turns off its interrupts */ /* Closing the SGMII turns off its interrupts */
sgmii->close(adpt); sgmii->close(adpt);
/* Resetting the MAC turns off all DMA and its interrupts */ /* Resetting the MAC turns off all DMA and its interrupts */
emac_mac_reset(adpt); emac_mac_reset(adpt);
}
} }
static struct platform_driver emac_platform_driver = { static struct platform_driver emac_platform_driver = {
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment