Re: [PATCH 4/7] staging: most: Use spinlock_t instead of struct spinlock

From: Greg Kroah-Hartman
Date: Mon Jul 15 2019 - 15:44:50 EST


On Thu, Jul 04, 2019 at 05:38:00PM +0200, Sebastian Andrzej Siewior wrote:
> For spinlocks the type spinlock_t should be used instead of "struct
> spinlock".
>
> Use spinlock_t for spinlock's definition.
>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Christian Gromm <christian.gromm@xxxxxxxxxxxxx>
> Cc: devel@xxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> ---
> drivers/staging/most/net/net.c | 3 +--
> drivers/staging/most/video/video.c | 3 +--
> 2 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/most/net/net.c b/drivers/staging/most/net/net.c
> index c8a64e2090273..09b604df45e63 100644
> --- a/drivers/staging/most/net/net.c
> +++ b/drivers/staging/most/net/net.c
> @@ -69,7 +69,7 @@ struct net_dev_context {
>
> static struct list_head net_devices = LIST_HEAD_INIT(net_devices);
> static struct mutex probe_disc_mt; /* ch->linked = true, most_nd_open */
> -static struct spinlock list_lock; /* list_head, ch->linked = false, dev_hold */
> +static DEFINE_SPINLOCK(list_lock); /* list_head, ch->linked = false, dev_hold */
> static struct core_component comp;
>
> static int skb_to_mamac(const struct sk_buff *skb, struct mbo *mbo)
> @@ -507,7 +507,6 @@ static struct core_component comp = {
>
> static int __init most_net_init(void)
> {
> - spin_lock_init(&list_lock);
> mutex_init(&probe_disc_mt);
> return most_register_component(&comp);
> }
> diff --git a/drivers/staging/most/video/video.c b/drivers/staging/most/video/video.c
> index adca250062e1b..fcd9e111e8bd0 100644
> --- a/drivers/staging/most/video/video.c
> +++ b/drivers/staging/most/video/video.c
> @@ -54,7 +54,7 @@ struct comp_fh {
> };
>
> static struct list_head video_devices = LIST_HEAD_INIT(video_devices);
> -static struct spinlock list_lock;
> +static DEFINE_SPINLOCK(list_lock);
>
> static inline bool data_ready(struct most_video_dev *mdev)
> {
> @@ -540,7 +540,6 @@ static struct core_component comp = {
>
> static int __init comp_init(void)
> {
> - spin_lock_init(&list_lock);
> return most_register_component(&comp);
> }
>

Does not apply on top of Linus's tree right now :(

Can you rebase and resend once 5.3-rc1 is out?

thanks,

greg k-h