On 23/08/17 14:13, Colin King wrote: > From: Colin Ian King <colin.k...@canonical.com> > > iph is being assigned the same value twice; remove the redundant > second assignment. > > Fixes warning: > net/ipv4/ip_gre.c:265:2: warning: Value stored to 'iph' is never read > > Signed-off-by: Colin Ian King <colin.k...@canonical.com> > --- > net/ipv4/ip_gre.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c > index 6e8a62289e03..6b3e7c99a3b6 100644 > --- a/net/ipv4/ip_gre.c > +++ b/net/ipv4/ip_gre.c > @@ -268,7 +268,6 @@ static int erspan_rcv(struct sk_buff *skb, struct > tnl_ptk_info *tpi, > if (unlikely(!pskb_may_pull(skb, len))) > return -ENOMEM; > > - iph = ip_hdr(skb); > ershdr = (struct erspanhdr *)(skb->data + gre_hdr_len); > > /* The original GRE header does not have key field, >
This one looks like a correct assignment, I'd remove the previous one because pskb_may_pull may change the header pointers and the previously assigned iph might become wrong. Also add the author of the code to the CC list.