From 69d3c7785ec40335874d643fc3af4d4ce9570c2d Mon Sep 17 00:00:00 2001
From: Yuiko Oshino <yuiko.oshino@microchip.com>
Date: Fri, 22 Oct 2021 11:13:53 -0400
Subject: [PATCH] net: ethernet: microchip: lan743x: Fix driver crash when lan743x_pm_resume fails
Git-commit: d6423d2ec39cce2bfca418c81ef51792891576bc
Patch-mainline: v5.15
References: stable-5.14.16
commit d6423d2ec39cce2bfca418c81ef51792891576bc upstream.
The driver needs to clean up and return when the initialization fails on resume.
Fixes: 23f0703c125b ("lan743x: Add main source files for new lan743x driver")
Signed-off-by: Yuiko Oshino <yuiko.oshino@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/ethernet/microchip/lan743x_main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index dae10328c6cf..c8d750a3319d 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -3019,6 +3019,8 @@ static int lan743x_pm_resume(struct device *dev)
if (ret) {
netif_err(adapter, probe, adapter->netdev,
"lan743x_hardware_init returned %d\n", ret);
+ lan743x_pci_cleanup(adapter);
+ return ret;
}
/* open netdev when netdev is at running state while resume.
--
2.26.2