r8169: fix deadlock on RTL8125 in jumbo mtu mode

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The original change results in a deadlock if jumbo mtu mode is used.
Reason is that the phydev lock is held when rtl_reset_work() is called
here, and rtl_jumbo_config() calls phy_start_aneg() which also tries
to acquire the phydev lock. Fix this by calling rtl_reset_work()
asynchronously.

Fixes: 621735f590 ("r8169: fix rare issue with broken rx after link-down on RTL8125")
Reported-by: Ian Chen <free122448@hotmail.com>
Tested-by: Ian Chen <free122448@hotmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/caf6a487-ef8c-4570-88f9-f47a659faf33@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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This commit is contained in:

Heiner Kallweit 2023-11-26 19:36:46 +01:00 • committed by Paolo Abeni

parent 45b3fae467

commit 59d395ed60

1 changed files with 4 additions and 1 deletions

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drivers/net/ethernet/realtek/r8169_main.c

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