openwrt/target/linux/generic/pending-4.9/703-phy-add-detach-callback-to-struct-phy_driver.patch
Koen Vandeputte 82c8170cd0 kernel: bump 4.9 to 4.9.219
Refreshed all patches.

Altered patches:
- 0026-NET-multi-phy-support.patch

Fixes:
- CVE-2020-8647
- CVE-2020-8648 (Potentially)
- CVE-2020-8649

Compile-tested on: ar71xx
Runtime-tested on: ar71xx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2020-04-16 13:24:54 +02:00

39 lines
1021 B
Diff

From: Gabor Juhos <juhosg@openwrt.org>
Subject: generic: add detach callback to struct phy_driver
lede-commit: fe61fc2d7d0b3fb348b502f68f98243b3ddf5867
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/net/phy/phy_device.c | 3 +++
include/linux/phy.h | 6 ++++++
2 files changed, 9 insertions(+)
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1009,6 +1009,9 @@ void phy_detach(struct phy_device *phyde
struct mii_bus *bus;
int i;
+ if (phydev->drv && phydev->drv->detach)
+ phydev->drv->detach(phydev);
+
phydev->attached_dev->phydev = NULL;
phydev->attached_dev = NULL;
phy_suspend(phydev);
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -509,6 +509,12 @@ struct phy_driver {
*/
int (*did_interrupt)(struct phy_device *phydev);
+ /*
+ * Called before an ethernet device is detached
+ * from the PHY.
+ */
+ void (*detach)(struct phy_device *phydev);
+
/* Clears up any memory if needed */
void (*remove)(struct phy_device *phydev);