| Message ID | 20201223141431.835-1-zhengyongjun3@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [-next] usb: usbip: Use DEFINE_SPINLOCK() for spinlock | expand |
On 12/23/20 7:14 AM, Zheng Yongjun wrote: > spinlock can be initialized automatically with DEFINE_SPINLOCK() > rather than explicitly calling spin_lock_init(). > > Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> > --- > drivers/usb/usbip/stub_main.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c > index c1c0bbc9f8b1..77a5b3f8736a 100644 > --- a/drivers/usb/usbip/stub_main.c > +++ b/drivers/usb/usbip/stub_main.c > @@ -23,7 +23,7 @@ struct kmem_cache *stub_priv_cache; > */ > #define MAX_BUSID 16 > static struct bus_id_priv busid_table[MAX_BUSID]; > -static spinlock_t busid_table_lock; > +static DEFINE_SPINLOCK(busid_table_lock); > > static void init_busid_table(void) > { > @@ -35,8 +35,6 @@ static void init_busid_table(void) > */ > memset(busid_table, 0, sizeof(busid_table)); > > - spin_lock_init(&busid_table_lock); > - > for (i = 0; i < MAX_BUSID; i++) > spin_lock_init(&busid_table[i].busid_lock); > } > Sorry for the delay on this. Looks good to me. Acked-by: Shuah Khan <skhan@linuxfoundation.org> thanks, -- Shuah
diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c index c1c0bbc9f8b1..77a5b3f8736a 100644 --- a/drivers/usb/usbip/stub_main.c +++ b/drivers/usb/usbip/stub_main.c @@ -23,7 +23,7 @@ struct kmem_cache *stub_priv_cache; */ #define MAX_BUSID 16 static struct bus_id_priv busid_table[MAX_BUSID]; -static spinlock_t busid_table_lock; +static DEFINE_SPINLOCK(busid_table_lock); static void init_busid_table(void) { @@ -35,8 +35,6 @@ static void init_busid_table(void) */ memset(busid_table, 0, sizeof(busid_table)); - spin_lock_init(&busid_table_lock); - for (i = 0; i < MAX_BUSID; i++) spin_lock_init(&busid_table[i].busid_lock); }
spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> --- drivers/usb/usbip/stub_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)