netdev - [PATCH net-next 4/8] r8169: replace synchronize_rcu with synchronize

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 17 Jun 2020 22:53:21 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 4/8] r8169: replace synchronize_rcu with
 synchronize_net

rtl8169_hw_reset() may be called under RTNL lock, therefore switch to
synchronize_net().

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/ethernet/realtek/r8169_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index bd95c0ae6..0d3e58ae1 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -3929,7 +3929,7 @@ static void rtl8169_tx_clear(struct rtl8169_private *tp)
 static void rtl8169_hw_reset(struct rtl8169_private *tp, bool going_down)
 {
 	/* Give a racing hard_start_xmit a few cycles to complete. */
-	synchronize_rcu();
+	synchronize_net();
 
 	/* Disable interrupts */
 	rtl8169_irq_mask_and_ack(tp);
-- 
2.27.0