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Commit 2fc5f83b authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Steffen Klassert
Browse files

net: xfrm_user: use BUG_ON instead of if condition followed by BUG 



Use BUG_ON instead of if condition followed by BUG.

This issue was detected with the help of Coccinelle.

Signed-off-by: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent d3cc547d

net/xfrm/xfrm_user.c

+27 −18
Original line number Diff line number Diff line
@@ -1146,13 +1146,14 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh, 
	u32 *flags = nlmsg_data(nlh);

	u32 sportid = NETLINK_CB(skb).portid;

	u32 seq = nlh->nlmsg_seq;

	int err;



	r_skb = nlmsg_new(xfrm_spdinfo_msgsize(), GFP_ATOMIC);

	if (r_skb == NULL)

		return -ENOMEM;



	if (build_spdinfo(r_skb, net, sportid, seq, *flags) < 0)

		BUG();

	err = build_spdinfo(r_skb, net, sportid, seq, *flags);

	BUG_ON(err < 0);



	return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);

}
@@ -1204,13 +1205,14 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh, 
	u32 *flags = nlmsg_data(nlh);

	u32 sportid = NETLINK_CB(skb).portid;

	u32 seq = nlh->nlmsg_seq;

	int err;



	r_skb = nlmsg_new(xfrm_sadinfo_msgsize(), GFP_ATOMIC);

	if (r_skb == NULL)

		return -ENOMEM;



	if (build_sadinfo(r_skb, net, sportid, seq, *flags) < 0)

		BUG();

	err = build_sadinfo(r_skb, net, sportid, seq, *flags);

	BUG_ON(err < 0);



	return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);

}
@@ -1957,8 +1959,9 @@ static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh, 
	c.seq = nlh->nlmsg_seq;

	c.portid = nlh->nlmsg_pid;



	if (build_aevent(r_skb, x, &c) < 0)

		BUG();

	err = build_aevent(r_skb, x, &c);

	BUG_ON(err < 0);



	err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).portid);

	spin_unlock_bh(&x->lock);

	xfrm_state_put(x);
@@ -2385,6 +2388,7 @@ static int xfrm_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, 
{

	struct net *net = &init_net;

	struct sk_buff *skb;

	int err;



	skb = nlmsg_new(xfrm_migrate_msgsize(num_migrate, !!k, !!encap),

			GFP_ATOMIC);
@@ -2392,8 +2396,8 @@ static int xfrm_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, 
		return -ENOMEM;



	/* build migrate */

	if (build_migrate(skb, m, num_migrate, k, sel, encap, dir, type) < 0)

		BUG();

	err = build_migrate(skb, m, num_migrate, k, sel, encap, dir, type);

	BUG_ON(err < 0);



	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_MIGRATE);

}
@@ -2617,13 +2621,14 @@ static int xfrm_aevent_state_notify(struct xfrm_state *x, const struct km_event 
{

	struct net *net = xs_net(x);

	struct sk_buff *skb;

	int err;



	skb = nlmsg_new(xfrm_aevent_msgsize(x), GFP_ATOMIC);

	if (skb == NULL)

		return -ENOMEM;



	if (build_aevent(skb, x, c) < 0)

		BUG();

	err = build_aevent(skb, x, c);

	BUG_ON(err < 0);



	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_AEVENTS);

}
@@ -2830,13 +2835,14 @@ static int xfrm_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *xt, 
{

	struct net *net = xs_net(x);

	struct sk_buff *skb;

	int err;



	skb = nlmsg_new(xfrm_acquire_msgsize(x, xp), GFP_ATOMIC);

	if (skb == NULL)

		return -ENOMEM;



	if (build_acquire(skb, x, xt, xp) < 0)

		BUG();

	err = build_acquire(skb, x, xt, xp);

	BUG_ON(err < 0);



	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_ACQUIRE);

}
@@ -2945,13 +2951,14 @@ static int xfrm_exp_policy_notify(struct xfrm_policy *xp, int dir, const struct 
{

	struct net *net = xp_net(xp);

	struct sk_buff *skb;

	int err;



	skb = nlmsg_new(xfrm_polexpire_msgsize(xp), GFP_ATOMIC);

	if (skb == NULL)

		return -ENOMEM;



	if (build_polexpire(skb, xp, dir, c) < 0)

		BUG();

	err = build_polexpire(skb, xp, dir, c);

	BUG_ON(err < 0);



	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_EXPIRE);

}
@@ -3106,13 +3113,14 @@ static int xfrm_send_report(struct net *net, u8 proto, 
			    struct xfrm_selector *sel, xfrm_address_t *addr)

{

	struct sk_buff *skb;

	int err;



	skb = nlmsg_new(xfrm_report_msgsize(), GFP_ATOMIC);

	if (skb == NULL)

		return -ENOMEM;



	if (build_report(skb, proto, sel, addr) < 0)

		BUG();

	err = build_report(skb, proto, sel, addr);

	BUG_ON(err < 0);



	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_REPORT);

}
@@ -3153,6 +3161,7 @@ static int xfrm_send_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, 
{

	struct net *net = xs_net(x);

	struct sk_buff *skb;

	int err;



	if (x->id.proto != IPPROTO_ESP)

		return -EINVAL;
@@ -3164,8 +3173,8 @@ static int xfrm_send_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, 
	if (skb == NULL)

		return -ENOMEM;



	if (build_mapping(skb, x, ipaddr, sport) < 0)

		BUG();

	err = build_mapping(skb, x, ipaddr, sport);

	BUG_ON(err < 0);



	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_MAPPING);

}