linux-kernel - [PATCH 5.14 081/849] gpio: mlxbf2.c: Add check for bgpio

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Message-Id: <20211115165422.796303989@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 17:52:44 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Asmaa Mnebhi <asmaa@...dia.com>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 081/849] gpio: mlxbf2.c: Add check for bgpio_init failure

From: Asmaa Mnebhi <asmaa@...dia.com>

[ Upstream commit c0eee6fbfa2b3377f1efed10dad539abeb7312aa ]

Add a check if bgpio_init fails.

Signed-off-by: Asmaa Mnebhi <asmaa@...dia.com>
Signed-off-by: Bartosz Golaszewski <brgl@...ev.pl>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpio/gpio-mlxbf2.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c
index befa5e1099439..d4b250b470b41 100644
--- a/drivers/gpio/gpio-mlxbf2.c
+++ b/drivers/gpio/gpio-mlxbf2.c
@@ -268,6 +268,11 @@ mlxbf2_gpio_probe(struct platform_device *pdev)
 			NULL,
 			0);
 
+	if (ret) {
+		dev_err(dev, "bgpio_init failed\n");
+		return ret;
+	}
+
 	gc->direction_input = mlxbf2_gpio_direction_input;
 	gc->direction_output = mlxbf2_gpio_direction_output;
 	gc->ngpio = npins;
-- 
2.33.0