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Commit e8458e7a authored by Kefeng Wang's avatar Kefeng Wang Committed by Thomas Gleixner
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genirq: Initialize request_mutex if CONFIG_SPARSE_IRQ=n



When CONFIG_SPARSE_IRQ is disable, the request_mutex in struct irq_desc
is not initialized which causes malfunction.

Fixes: 9114014c ("genirq: Add mutex to irq desc to serialize request/free_irq()")
Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarMukesh Ojha <mojha@codeaurora.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20190404074512.145533-1-wangkefeng.wang@huawei.com
parent 95c5c618
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