net: ethernet: microchip: lan743x: Fix driver crash when lan743x_pm_r…

…esume fails stable inclusion from stable-5.10.77 commit bfa6fbdb4e39b8483fd7ec70c4c82a5105348193 bugzilla: 185677 https://gitee.com/openeuler/kernel/issues/I4IAP7 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bfa6fbdb4e39b8483fd7ec70c4c82a5105348193 -------------------------------- commit d6423d2 upstream. The driver needs to clean up and return when the initialization fails on resume. Fixes: 23f0703 ("lan743x: Add main source files for new lan743x driver") Signed-off-by: Yuiko Oshino <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Chen Jun <[email protected]> Acked-by: Weilong Chen <[email protected]> Signed-off-by: Chen Jun <[email protected]> Signed-off-by: Zheng Zengkai <[email protected]>
openeuler-mirror · Nov 15, 2021 · 8125e16 · 8125e16
1 parent 7a6256f
commit 8125e16
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -3066,6 +3066,8 @@ 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.