net: cxgb3: add error handling for sysfs_create_group

When sysfs_create_group fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling sysfs_create_group.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index 2edfdbdaae4849a4007f0904d63ca612c100dcf9..7b795edd9d3a9543271d29acf0cc35d760a6b065 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -3362,10 +3362,17 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        err = sysfs_create_group(&adapter->port[0]->dev.kobj,
                                 &cxgb3_attr_group);
+       if (err) {
+               dev_err(&pdev->dev, "cannot create sysfs group\n");
+               goto out_close_led;
+       }
 
        print_port_info(adapter, ai);
        return 0;
 
+out_close_led:
+       t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 0);
+
 out_free_dev:
        iounmap(adapter->regs);
        for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i)