serial: of-serial: fix uninitialized kmalloc variable
The info pointer points to an uninitialized kmalloced space. If a device doesn't have clk property, then info->clk may have unpredicated value and cause call trace. So use kzalloc to make sure it is NULL initialized. Signed-off-by: Jingchang Lu <jingchang.lu@freescale.com> Acked-by: Arnd Bergmann <arnd@arndb.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -158,7 +158,7 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
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if (of_find_property(ofdev->dev.of_node, "used-by-rtas", NULL))
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return -EBUSY;
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info = kmalloc(sizeof(*info), GFP_KERNEL);
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info = kzalloc(sizeof(*info), GFP_KERNEL);
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if (info == NULL)
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return -ENOMEM;
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