If IPV6 was disabled, then ss command would cause a kernel warning because the command was attempting to dump IPV6 socke information. This should not be a warning, instead just return a normal error code.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202249 Fixes: 432490f9d455 ("net: ip, diag -- Add diag interface for raw sockets") Signed-off-by: Stephen Hemminger <step...@networkplumber.org> --- net/ipv4/raw_diag.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/ipv4/raw_diag.c b/net/ipv4/raw_diag.c index 899e34ceb560..045485d39f23 100644 --- a/net/ipv4/raw_diag.c +++ b/net/ipv4/raw_diag.c @@ -19,9 +19,11 @@ raw_get_hashinfo(const struct inet_diag_req_v2 *r) { if (r->sdiag_family == AF_INET) { return &raw_v4_hashinfo; -#if IS_ENABLED(CONFIG_IPV6) } else if (r->sdiag_family == AF_INET6) { +#if IS_ENABLED(CONFIG_IPV6) return &raw_v6_hashinfo; +#else + return ERR_PTR(-EOPNOTSUPP); #endif } else { pr_warn_once("Unexpected inet family %d\n", -- 2.20.1
