[v2,1/4] irqchip/gic-v3-mbi: fix uninitialized mbi_lock
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Message ID 1540540280-26612-2-git-send-email-yangyingliang@huawei.com
State New
Headers show
Series
  • add support for MBIGEN generating message based SPIs
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Commit Message

Yang Yingliang Oct. 26, 2018, 7:51 a.m. UTC
mbi_lock is uninitialized, use marco DEFINE_MUTEX
to initialize it.

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

Patch
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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;