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openwrt/target/linux/generic/pending-5.4/754-net-sfp-fix-unbind.patch
John Audia 667f6c7f49 kernel: bump 5.4 to 5.4.77
Manually rebased patches:
 bcm27xx/patches-5.4/950-0135-spi-spi-bcm2835-Disable-forced-software-CS.patch
 generic-backport/744-v5.5-net-sfp-soft-status-and-control-support.patch
 layerscape/patches-5.4/819-uart-0005-tty-serial-fsl_lpuart-enable-dma-mode-for-imx8qxp.patch
 mvebu/patches-5.4/521-arm64-dts-marvell-espressobin-Add-ethernet-switch-al.patch

Removed:
 layerscape/patches-5.4/819-uart-0012-tty-serial-lpuart-add-LS1028A-support.patch

All modifications made by update_kernel.sh

Build system: x86_64
Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711,
              lantiq/Easybox 904 xDSL, x86_64
Run-tested: ipq806x/R7800, lantiq/Easybox 904 xDSL, x86_64

No dmesg regressions, everything functional

Signed-off-by: John Audia <graysky@archlinux.us>
Co-developed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-11-18 21:13:46 +01:00

29 lines
848 B
Diff

From 729fd05aac22cdf1e502fbf1bf80e5ebba0d9fbc Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Tue, 3 Dec 2019 17:48:28 +0000
Subject: [PATCH] net: sfp: fix unbind
When unbinding, we don't correctly tear down the module state, leaving
(for example) the hwmon registration behind. Ensure everything is
properly removed by sending a remove event at unbind.
Fixes: 6b0da5c9c1a3 ("net: sfp: track upstream's attachment state in state machine")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
drivers/net/phy/sfp.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -2344,6 +2344,10 @@ static int sfp_remove(struct platform_de
sfp_unregister_socket(sfp->sfp_bus);
+ rtnl_lock();
+ sfp_sm_event(sfp, SFP_E_REMOVE);
+ rtnl_unlock();
+
return 0;
}