mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
2464a9a8a4
Refreshed all patches. Compile-tested on: x86_64, ath79, lantiq Runtime-tested on: x86_64, ath79 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
59 lines
1.9 KiB
Diff
59 lines
1.9 KiB
Diff
From 73204b342fbee1fd9364365c1213815cc715eee2 Mon Sep 17 00:00:00 2001
|
|
From: Claudiu Manoil <claudiu.manoil@nxp.com>
|
|
Date: Thu, 14 Nov 2019 16:22:39 +0200
|
|
Subject: [PATCH] enetc: Remove mdio bus on PF probe error path
|
|
|
|
Fixes following kernel panic on the probing error
|
|
path, when pci=nomsi bootarg is used (which is
|
|
not supporrted by the enetc dirver):
|
|
|
|
fsl_enetc 0000:00:00.0: MSIX alloc failed
|
|
------------[ cut here ]------------
|
|
kernel BUG at drivers/net/phy/mdio_bus.c:487!
|
|
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
|
|
Modules linked in:
|
|
Process swapper/0 (pid: 1, stack limit = 0x(____ptrval____))
|
|
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.68-00004-g85dc4876e6e6 #1
|
|
Hardware name: LS1028A RDB Board (DT)
|
|
pstate: 80000005 (Nzcv daif -PAN -UAO)
|
|
pc : mdiobus_free+0x5c/0x60
|
|
lr : _devm_mdiobus_free+0x20/0x30
|
|
[...]
|
|
Call trace:
|
|
mdiobus_free+0x5c/0x60
|
|
_devm_mdiobus_free+0x20/0x30
|
|
release_nodes+0x148/0x238
|
|
devres_release_all+0x3c/0x68
|
|
really_probe+0x90/0x2a0
|
|
driver_probe_device+0x5c/0x100
|
|
__driver_attach+0xf0/0xf8
|
|
bus_for_each_dev+0x84/0xd8
|
|
driver_attach+0x30/0x40
|
|
bus_add_driver+0x1c4/0x230
|
|
driver_register+0x64/0x110
|
|
__pci_register_driver+0x58/0x68
|
|
enetc_pf_driver_init+0x28/0x30
|
|
do_one_initcall+0x54/0x268
|
|
kernel_init_freeable+0x2d0/0x37c
|
|
kernel_init+0x18/0x118
|
|
ret_from_fork+0x10/0x1c
|
|
Code: 97e0dd79 f9400bf3 a8c27bfd d65f03c0 (d4210000)
|
|
---[ end trace 1e4e5729f059b773 ]---
|
|
|
|
Fixes: ebfcb23d62ab ("enetc: Add ENETC PF level external MDIO support")
|
|
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
|
|
---
|
|
drivers/net/ethernet/freescale/enetc/enetc_pf.c | 1 +
|
|
1 file changed, 1 insertion(+)
|
|
|
|
--- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c
|
|
+++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
|
|
@@ -1041,6 +1041,7 @@ err_alloc_si_res:
|
|
si->ndev = NULL;
|
|
free_netdev(ndev);
|
|
err_alloc_netdev:
|
|
+ enetc_mdio_remove(pf);
|
|
enetc_of_put_phy(pf);
|
|
err_device_disabled:
|
|
err_map_pf_space:
|