On Tue, 14 Mar 2023, Greg KH wrote:
> On Tue, Mar 14, 2023 at 05:45:37PM +0000, Lee Jones wrote:
> > Dear Stable,
> >
> > > Commit 844cf763fba6 ("tipc: make macro tipc_wait_for_cond() smp safe")
> > > replaced finish_wait() with remove_wait_queue() but still used
> > > prepare_to_wait(). This causes unnecessary conditional
> > > checking before adding to wait queue in prepare_to_wait().
> > >
> > > This commit replaces prepare_to_wait() with add_wait_queue()
> > > as the pair function with remove_wait_queue().
> > >
> > > Acked-by: Ying Xue <ying.xue@xxxxxxxxxxxxx>
> > > Acked-by: Jon Maloy <jon.maloy@xxxxxxxxxxxx>
> > > Signed-off-by: Tung Nguyen <tung.q.nguyen@xxxxxxxxxxxxxx>
> > > ---
> > > net/tipc/socket.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/net/tipc/socket.c b/net/tipc/socket.c
> > > index 1217c90a363b..81b87916a0eb 100644
> > > --- a/net/tipc/socket.c
> > > +++ b/net/tipc/socket.c
> > > @@ -388,7 +388,7 @@ static int tipc_sk_sock_err(struct socket *sock, long *timeout)
> > > rc_ = tipc_sk_sock_err((sock_), timeo_); \
> > > if (rc_) \
> > > break; \
> > > - prepare_to_wait(sk_sleep(sk_), &wait_, TASK_INTERRUPTIBLE); \
> > > + add_wait_queue(sk_sleep(sk_), &wait_); \
> > > release_sock(sk_); \
> > > *(timeo_) = wait_woken(&wait_, TASK_INTERRUPTIBLE, *(timeo_)); \
> > > sched_annotate_sleep(); \
> >
> > Could we have this ol' classic backported to v4.19 and v4.14 please?
>
> What is the git commit id?
Sorry, it's 223b7329ec6a0.
--
Lee Jones [李琼斯]
