From: Martin KaFai Lau <martin.lau@xxxxxxxxx> Date: Fri, 13 Oct 2023 11:57:02 -0700 > From: Martin KaFai Lau <martin.lau@xxxxxxxxxx> > > It was reported that there is a compiler warning on the unused variable > "sin_addr_len" in af_inet.c when CONFIG_CGROUP_BPF is not set. > This patch is to address it similar to the ipv6 counterpart > in inet6_getname(). It is to "return sin_addr_len;" > instead of "return sizeof(*sin);". > > Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > Closes: https://lore.kernel.org/bpf/20231013114007.2fb09691@xxxxxxxxxxxxxxxx/ > Cc: Daan De Meyer <daan.j.demeyer@xxxxxxxxx> > Fixes: fefba7d1ae19 ("bpf: Propagate modified uaddrlen from cgroup sockaddr programs") > Signed-off-by: Martin KaFai Lau <martin.lau@xxxxxxxxxx> Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx> Thanks! > --- > net/ipv4/af_inet.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c > index 7e27ad37b939..5ce275b2d7ef 100644 > --- a/net/ipv4/af_inet.c > +++ b/net/ipv4/af_inet.c > @@ -814,7 +814,7 @@ int inet_getname(struct socket *sock, struct sockaddr *uaddr, > } > release_sock(sk); > memset(sin->sin_zero, 0, sizeof(sin->sin_zero)); > - return sizeof(*sin); > + return sin_addr_len; > } > EXPORT_SYMBOL(inet_getname); > > -- > 2.34.1