From: Vlad Yasevich <vladislav.yasevich@hp.com> To: Julia Lawall <julia@diku.dk> Cc: Sridhar Samudrala <sri@us.ibm.com>, "David S. Miller" <davem@davemloft.net>, linux-sctp@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH 4/9] net/sctp: Eliminate useless code Date: Wed, 20 Jan 2010 13:10:10 -0500 [thread overview] Message-ID: <4B574702.4040602@hp.com> (raw) In-Reply-To: <Pine.LNX.4.64.1001161657570.28745@ask.diku.dk> Julia Lawall wrote: > From: Julia Lawall <julia@diku.dk> > > The variable newinet is initialized twice to the same (side effect-free) > expression. Drop one initialization. > > A simplified version of the semantic match that finds this problem is: > (http://coccinelle.lip6.fr/) > > // <smpl> > @forall@ > idexpression *x; > identifier f!=ERR_PTR; > @@ > > x = f(...) > ... when != x > ( > x = f(...,<+...x...+>,...) > | > * x = f(...) > ) > // </smpl> > > Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> > > --- > net/sctp/socket.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/net/sctp/socket.c b/net/sctp/socket.c > index 67fdac9..f6d1e59 100644 > --- a/net/sctp/socket.c > +++ b/net/sctp/socket.c > @@ -6359,7 +6359,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, > struct sctp_association *asoc) > { > struct inet_sock *inet = inet_sk(sk); > - struct inet_sock *newinet = inet_sk(newsk); > + struct inet_sock *newinet; > > newsk->sk_type = sk->sk_type; > newsk->sk_bound_dev_if = sk->sk_bound_dev_if; >
WARNING: multiple messages have this Message-ID (diff)
From: Vlad Yasevich <vladislav.yasevich@hp.com> To: Julia Lawall <julia@diku.dk> Cc: Sridhar Samudrala <sri@us.ibm.com>, "David S. Miller" <davem@davemloft.net>, linux-sctp@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH 4/9] net/sctp: Eliminate useless code Date: Wed, 20 Jan 2010 18:10:10 +0000 [thread overview] Message-ID: <4B574702.4040602@hp.com> (raw) In-Reply-To: <Pine.LNX.4.64.1001161657570.28745@ask.diku.dk> Julia Lawall wrote: > From: Julia Lawall <julia@diku.dk> > > The variable newinet is initialized twice to the same (side effect-free) > expression. Drop one initialization. > > A simplified version of the semantic match that finds this problem is: > (http://coccinelle.lip6.fr/) > > // <smpl> > @forall@ > idexpression *x; > identifier f!=ERR_PTR; > @@ > > x = f(...) > ... when != x > ( > x = f(...,<+...x...+>,...) > | > * x = f(...) > ) > // </smpl> > > Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> > > --- > net/sctp/socket.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/net/sctp/socket.c b/net/sctp/socket.c > index 67fdac9..f6d1e59 100644 > --- a/net/sctp/socket.c > +++ b/net/sctp/socket.c > @@ -6359,7 +6359,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, > struct sctp_association *asoc) > { > struct inet_sock *inet = inet_sk(sk); > - struct inet_sock *newinet = inet_sk(newsk); > + struct inet_sock *newinet; > > newsk->sk_type = sk->sk_type; > newsk->sk_bound_dev_if = sk->sk_bound_dev_if; >
next prev parent reply other threads:[~2010-01-20 18:10 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-01-16 15:58 [PATCH 4/9] net/sctp: Eliminate useless code Julia Lawall 2010-01-16 15:58 ` Julia Lawall 2010-01-16 15:58 ` Julia Lawall 2010-01-20 18:10 ` Vlad Yasevich [this message] 2010-01-20 18:10 ` Vlad Yasevich 2010-01-20 23:03 ` David Miller 2010-01-20 23:03 ` David Miller 2010-01-21 10:21 ` Julia Lawall 2010-01-21 10:21 ` Julia Lawall 2010-01-21 10:22 ` Julia Lawall 2010-01-21 10:22 ` Julia Lawall 2010-01-21 10:43 ` David Miller 2010-01-21 10:43 ` David Miller 2010-01-21 10:49 ` Julia Lawall 2010-01-21 10:49 ` Julia Lawall 2010-01-21 13:08 ` David Miller 2010-01-21 13:08 ` David Miller
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