[RFC,3/7] netlink: Add allocation flag to nlmsg_unicast()

Message ID	1467764916-4983-4-git-send-email-masashi.honma@gmail.com (mailing list archive)
State	RFC
Delegated to:	Johannes Berg
Headers	show Return-Path: <linux-wireless-owner@kernel.org> From: Masashi Honma <masashi.honma@gmail.com> To: netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, linux-wireless@vger.kernel.org, linux-rdma@vger.kernel.org, linux-audit@redhat.com, cluster-devel@redhat.com Cc: davem@davemloft.net, johannes@sipsolutions.net, pablo@netfilter.org, kaber@trash.net, kadlec@blackhole.kfki.hu, dledford@redhat.com, sean.hefty@intel.com, hal.rosenstock@gmail.com, paul@paul-moore.com, eparis@redhat.com, zbr@ioremap.net, pshelar@nicira.com, ccaulfie@redhat.com, teigland@redhat.com, bsingharora@gmail.com, Masashi Honma <masashi.honma@gmail.com> Subject: [RFC 3/7] netlink: Add allocation flag to nlmsg_unicast() Date: Wed, 6 Jul 2016 09:28:32 +0900 Message-Id: <1467764916-4983-4-git-send-email-masashi.honma@gmail.com> In-Reply-To: <1467764916-4983-1-git-send-email-masashi.honma@gmail.com> References: <1467764916-4983-1-git-send-email-masashi.honma@gmail.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index 7097a33..f379b74 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -249,7 +249,8 @@ drop_alg: if (err) return err; - return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid); + return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid, + GFP_ATOMIC); } static int crypto_dump_report(struct sk_buff *skb, struct netlink_callback *cb) diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index 9b8c20c..09037a9 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -229,7 +229,7 @@ static void ibnl_rcv(struct sk_buff *skb) int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh, __u32 pid) { - return nlmsg_unicast(nls, skb, pid); + return nlmsg_unicast(nls, skb, pid, gfp_any()); } EXPORT_SYMBOL(ibnl_unicast); diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 8d4608c..b107a35 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -334,7 +334,7 @@ int genlmsg_multicast_allns(struct genl_family *family, */ static inline int genlmsg_unicast(struct net *net, struct sk_buff *skb, u32 portid) { - return nlmsg_unicast(net->genl_sock, skb, portid); + return nlmsg_unicast(net->genl_sock, skb, portid, 0); } /** diff --git a/include/net/netlink.h b/include/net/netlink.h index 898e449..df5b533 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -585,12 +585,14 @@ static inline int nlmsg_multicast(struct sock *sk, struct sk_buff *skb, * @sk: netlink socket to spread message to * @skb: netlink message as socket buffer * @portid: netlink portid of the destination socket + * @flags: allocation flags */ -static inline int nlmsg_unicast(struct sock *sk, struct sk_buff *skb, u32 portid) +static inline int nlmsg_unicast(struct sock *sk, struct sk_buff *skb, + u32 portid, gfp_t flags) { int err; - err = netlink_unicast(sk, skb, portid, MSG_DONTWAIT, 0); + err = netlink_unicast(sk, skb, portid, MSG_DONTWAIT, flags); if (err > 0) err = 0; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 3433633f..7f7927f 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -657,7 +657,7 @@ int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid) { struct sock *rtnl = net->rtnl; - return nlmsg_unicast(rtnl, skb, pid); + return nlmsg_unicast(rtnl, skb, pid, gfp_any()); } EXPORT_SYMBOL(rtnl_unicast); diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 2c88187..4afb751 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -581,7 +581,7 @@ static int nf_tables_gettable(struct net *net, struct sock *nlsk, if (err < 0) goto err; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid, GFP_KERNEL); err: kfree_skb(skb2); @@ -1144,7 +1144,7 @@ static int nf_tables_getchain(struct net *net, struct sock *nlsk, if (err < 0) goto err; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid, GFP_KERNEL); err: kfree_skb(skb2); @@ -1976,7 +1976,7 @@ static int nf_tables_getrule(struct net *net, struct sock *nlsk, if (err < 0) goto err; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid, GFP_KERNEL); err: kfree_skb(skb2); @@ -2664,7 +2664,7 @@ static int nf_tables_getset(struct net *net, struct sock *nlsk, if (err < 0) goto err; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid, GFP_KERNEL); err: kfree_skb(skb2); @@ -3798,7 +3798,7 @@ static int nf_tables_getgen(struct net *net, struct sock *nlsk, if (err < 0) goto err; - return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid); + return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid, GFP_KERNEL); err: kfree_skb(skb2); return err; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index c68bf74..acc1ee6 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2328,7 +2328,7 @@ int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 portid, if (report) { int err2; - err2 = nlmsg_unicast(sk, skb, portid); + err2 = nlmsg_unicast(sk, skb, portid, flags); if (!err || err == -ESRCH) err = err2; } diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index d516845..4af9977 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1108,7 +1108,7 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh, if (build_spdinfo(r_skb, net, sportid, seq, *flags) < 0) BUG(); - return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid); + return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid, GFP_ATOMIC); } static inline size_t xfrm_sadinfo_msgsize(void) @@ -1166,7 +1166,7 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh, if (build_sadinfo(r_skb, net, sportid, seq, *flags) < 0) BUG(); - return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid); + return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid, GFP_ATOMIC); } static int xfrm_get_sa(struct sk_buff *skb, struct nlmsghdr *nlh, @@ -1186,7 +1186,8 @@ static int xfrm_get_sa(struct sk_buff *skb, struct nlmsghdr *nlh, if (IS_ERR(resp_skb)) { err = PTR_ERR(resp_skb); } else { - err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid); + err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, + NETLINK_CB(skb).portid, GFP_ATOMIC); } xfrm_state_put(x); out_noput: @@ -1244,7 +1245,8 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh, goto out; } - err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid); + err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid, + GFP_ATOMIC); out: xfrm_state_put(x); @@ -1760,7 +1762,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, err = PTR_ERR(resp_skb); } else { err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, - NETLINK_CB(skb).portid); + NETLINK_CB(skb).portid, GFP_KERNEL); } } else { xfrm_audit_policy_delete(xp, err ? 0 : 1, true); @@ -1914,7 +1916,8 @@ static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh, if (build_aevent(r_skb, x, &c) < 0) BUG(); - err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).portid); + err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).portid, + GFP_ATOMIC); spin_unlock_bh(&x->lock); xfrm_state_put(x); return err;

[RFC,3/7] netlink: Add allocation flag to nlmsg_unicast()

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