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ipv6: fix warning in net/ipv6/ip6_flowlabel.c 

this warning:

  net/ipv6/ip6_flowlabel.c: In function ‘ipv6_flowlabel_opt’:
  net/ipv6/ip6_flowlabel.c:467: warning: ‘err’ may be used uninitialized in this function

triggers because GCC does not recognize the (correct) error flow
between fl_create() and 'err'.

Annotate it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ingo Molnar 2008-11-25 16:50:30 -08:00 committed by David S. Miller
parent dc0a0011cf
commit 55205d400e
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/ip6_flowlabel.c
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@ -464,7 +464,7 @@ static inline void fl_link(struct ipv6_pinfo *np, struct ipv6_fl_socklist *sfl,
int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen)
{
int err;
int uninitialized_var(err);
struct net *net = sock_net(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_flowlabel_req freq;