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Subject[PATCH 4.14 073/138] gpio: thunderx: fix error return code in thunderx_gpio_probe()
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <weiyongjun1@huawei.com>


[ Upstream commit 76e28f5ffed82b1e81a86c4eb8d0420515765620 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpio/gpio-thunderx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/gpio/gpio-thunderx.c
+++ b/drivers/gpio/gpio-thunderx.c
@@ -566,8 +566,10 @@ static int thunderx_gpio_probe(struct pc
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++) {

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