gpio: thunderx: fix error return code in thunderx_gpio_probe()

Fix to return error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 5a2a30024d8c ("gpio: Add gpio driver support for ThunderX and OCTEON-TX")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpio/gpio-thunderx.c b/drivers/gpio/gpio-thunderx.c
index b5adb79a631a..d16e9d4a129b 100644
--- a/drivers/gpio/gpio-thunderx.c
+++ b/drivers/gpio/gpio-thunderx.c
@@ -553,8 +553,10 @@ static int thunderx_gpio_probe(struct pci_dev *pdev,
         txgpio->irqd = irq_domain_create_hierarchy(irq_get_irq_data(txgpio->msix_entries[0].vector)->domain,
                                                    0, 0, of_node_to_fwnode(dev->of_node),
                                                    &thunderx_gpio_irqd_ops, txgpio);
-        if (!txgpio->irqd)
+        if (!txgpio->irqd) {
+                err = -ENOMEM;
                 goto out;
+        }
 
         /* Push on irq_data and the domain for each line. */
         for (i = 0; i < ngpio; i++) {