linux-kernel - [PATCH 4.9 094/171] fjes: fix missed check in fjes_acpi

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Message-Id: <20200102220600.231348306@linuxfoundation.org>
Date:   Thu,  2 Jan 2020 23:07:05 +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, Chuhong Yuan <hslester96@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.9 094/171] fjes: fix missed check in fjes_acpi_add

From: Chuhong Yuan <hslester96@...il.com>

[ Upstream commit a288f105a03a7e0e629a8da2b31f34ebf0343ee2 ]

fjes_acpi_add() misses a check for platform_device_register_simple().
Add a check to fix it.

Fixes: 658d439b2292 ("fjes: Introduce FUJITSU Extended Socket Network Device driver")
Signed-off-by: Chuhong Yuan <hslester96@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/fjes/fjes_main.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/net/fjes/fjes_main.c
+++ b/drivers/net/fjes/fjes_main.c
@@ -148,6 +148,9 @@ static int fjes_acpi_add(struct acpi_dev
 	/* create platform_device */
 	plat_dev = platform_device_register_simple(DRV_NAME, 0, fjes_resource,
 						   ARRAY_SIZE(fjes_resource));
+	if (IS_ERR(plat_dev))
+		return PTR_ERR(plat_dev);
+
 	device->driver_data = plat_dev;
 
 	return 0;