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can: m_can_platform: m_can_plat_probe(): add missing error handling if mcan_class...
author
Marc Kleine-Budde
<mkl@pengutronix.de>
Mon, 19 Aug 2019 17:34:28 +0000
(19:34 +0200)
committer
Marc Kleine-Budde
<mkl@pengutronix.de>
Tue, 20 Aug 2019 11:41:26 +0000
(13:41 +0200)
This patch adds the missing error handling in m_can_plat_probe() if
mcan_class is NULL.
Fixes:
f524f829b75a
("can: m_can: Create a m_can platform framework")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/m_can/m_can_platform.c
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diff --git
a/drivers/net/can/m_can/m_can_platform.c
b/drivers/net/can/m_can/m_can_platform.c
index
2c6ef86
..
6ac4c35
100644
(file)
--- a/
drivers/net/can/m_can/m_can_platform.c
+++ b/
drivers/net/can/m_can/m_can_platform.c
@@
-63,6
+63,9
@@
static int m_can_plat_probe(struct platform_device *pdev)
int irq, ret = 0;
mcan_class = m_can_class_allocate_dev(&pdev->dev);
+ if (!mcan_class)
+ return -ENOMEM;
+
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;