On Fri, Nov 06, 2015 at 09:48:14PM +0300, Dmitry Safonov wrote:
> With x86_64_defconfig:
> GCC thinks that in nfulnl_recv_config flags parameter is not inited but
> it was under the same condition (nfula[NFULA_CFG_FLAGS] == true).
> Suppress this warning:
> net/netfilter/nfnetlink_log.c: In function ‘nfulnl_recv_config’:
> net/netfilter/nfnetlink_log.c:320:14: warning: ‘flags’ may be used
> uninitialized in this function [-Wmaybe-uninitialized]
> inst->flags = flags;
> ^
> Signed-off-by: Dmitry Safonov <0x7f454...@gmail.com>
> ---
> net/netfilter/nfnetlink_log.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
> index 06eb48fceb42e4..d65f3b987b7f13 100644
> --- a/net/netfilter/nfnetlink_log.c
> +++ b/net/netfilter/nfnetlink_log.c
> @@ -825,7 +825,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
> struct net *net = sock_net(ctnl);
> struct nfnl_log_net *log = nfnl_log_pernet(net);
> int ret = 0;
> - u16 flags;
> + u16 flags = 0; /* GCC uninitialized */
u16 uninitialized_var(flags); ?
> if (nfula[NFULA_CFG_CMD]) {
> u_int8_t pf = nfmsg->nfgen_family;
> --
> 2.6.2
>
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