[PATCH 1/4] irqchip/gic-v3-mbi: fix uninitialized mbi_lock

From: Yang Yingliang
Date: Tue Oct 16 2018 - 05:15:31 EST


mbi_lock is uninitialized, use marco DEFINE_MUTEX
to initialize it.

Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/irqchip/irq-gic-v3-mbi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-mbi.c b/drivers/irqchip/irq-gic-v3-mbi.c
index ad70e7c..fbfa7ff 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;
--
1.8.3