Commit-ID: c530bb8a726a37811e9fb5d68cd6b5408173b545
Gitweb: https://git.kernel.org/tip/c530bb8a726a37811e9fb5d68cd6b5408173b545
Author: Yang Yingliang <yangyingliang@xxxxxxxxxx>
AuthorDate: Fri, 26 Oct 2018 15:51:17 +0800
Committer: Marc Zyngier <marc.zyngier@xxxxxxx>
CommitDate: Thu, 17 Jan 2019 17:03:44 +0000
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 <yangyingliang@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
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 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;
|