From: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx> [ Upstream commit e2fcd6e427c2fae92b366b24759f95d77b6f7bc7 ] mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx> Acked-by: Dave Jiang <dave.jiang@xxxxxxxxx> Link: https://lore.kernel.org/r/20201224132254.30961-1-zhengyongjun3@xxxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/dma/idxd/init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index ababd059da6f..d223242a34f4 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -31,7 +31,7 @@ MODULE_AUTHOR("Intel Corporation"); bool support_enqcmd; static struct idr idxd_idrs[IDXD_TYPE_MAX]; -static struct mutex idxd_idr_lock; +static DEFINE_MUTEX(idxd_idr_lock); static struct pci_device_id idxd_pci_tbl[] = { /* DSA ver 1.0 platforms */ @@ -543,7 +543,6 @@ static int __init idxd_init_module(void) else support_enqcmd = true; - mutex_init(&idxd_idr_lock); for (i = 0; i < IDXD_TYPE_MAX; i++) idr_init(&idxd_idrs[i]); -- 2.30.2
