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H A Darm_sdei.cdiff 10fd7c42b7953b3316806388493bff22abd3f78c Tue Sep 22 08:04:14 CDT 2020 Gavin Shan <gshan@redhat.com> firmware: arm_sdei: Avoid nested statements in sdei_init()

In sdei_init(), the nested statements can be avoided by bailing
on error from platform_driver_register() or absent ACPI SDEI table.
With it, the code looks a bit more readable.

Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20200922130423.10173-5-gshan@redhat.com
Signed-off-by: Will Deacon <will@kernel.org>