Re: [PATCH 1/4] ACPI: fix create_modalias() return value handling

[Mika Westerberg]

On Tue, Jan 14, 2014 at 04:46:35PM +0800, Zhang Rui wrote:
> Currently, create_modalias() handles the output truncated case in
> an improper way (return -EINVAL).
> Plus, acpi_device_uevent() and acpi_device_modalias_show() do
> improper check for the create_modalias() return value as well.
> 
> This patch fixes create_modalias() to
> return -EINVAL if there is an output error,
> return -ENOMEM if the output is truncated,
> and also fixes both acpi_device_uevent() and acpi_device_modalias_show()
> to do proper return value check.
> 
> Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
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