irqchip/irq-ls1x: Missing error code in ls1x_intc_of_init()
Currently, when irq_domain_add_linear() fails, the error code does not get set so it returns zero which is wrong. Fix it by setting the appropriate error code. Fixes: 9e543e22 ("irqchip: Add driver for Loongson-1 interrupt controller") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: kernel-janitors@vger.kernel.org Link: https://lkml.kernel.org/r/20190329062136.GQ32613@kadam
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