From: Yang Yingliang Date: Fri, 26 Oct 2018 07:51:17 +0000 (+0800) Subject: irqchip/gic-v3-mbi: Fix uninitialized mbi_lock X-Git-Tag: v5.0-rc4~5^2^2~2 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=c530bb8a726a37811e9fb5d68cd6b5408173b545;p=linux.git irqchip/gic-v3-mbi: Fix uninitialized mbi_lock The mbi_lock mutex is left uninitialized, so let's use DEFINE_MUTEX to initialize it statically. Fixes: 505287525c24d ("irqchip/gic-v3: Add support for Message Based Interrupts as an MSI controller") Signed-off-by: Yang Yingliang Signed-off-by: Marc Zyngier --- diff --git a/drivers/irqchip/irq-gic-v3-mbi.c b/drivers/irqchip/irq-gic-v3-mbi.c index ad70e7c416e3..fbfa7ff6deb1 100644 --- a/drivers/irqchip/irq-gic-v3-mbi.c +++ b/drivers/irqchip/irq-gic-v3-mbi.c @@ -24,7 +24,7 @@ struct mbi_range { unsigned long *bm; }; -static struct mutex mbi_lock; +static DEFINE_MUTEX(mbi_lock); static phys_addr_t mbi_phys_base; static struct mbi_range *mbi_ranges; static unsigned int mbi_range_nr;