From: Thomas Graf <tgraf@suug.ch>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, Thomas Graf <tgraf@suug.ch>
Subject: [PATCH 01/16] [XFRM] netlink: Use nlmsg_put() instead of NLMSG_PUT()
Date: Wed, 22 Aug 2007 16:55:39 +0200 [thread overview]
Message-ID: <20070822145629.894490697@lsx.localdomain> (raw)
In-Reply-To: 20070822145538.861270927@lsx.localdomain
[-- Attachment #1: xfrm_nlmsg_put --]
[-- Type: text/plain, Size: 6598 bytes --]
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Index: net-2.6.24/net/xfrm/xfrm_user.c
===================================================================
--- net-2.6.24.orig/net/xfrm/xfrm_user.c 2007-08-20 17:09:48.000000000 +0200
+++ net-2.6.24/net/xfrm/xfrm_user.c 2007-08-21 16:10:34.000000000 +0200
@@ -588,10 +588,10 @@ static int dump_one_state(struct xfrm_st
if (sp->this_idx < sp->start_idx)
goto out;
- nlh = NLMSG_PUT(skb, NETLINK_CB(in_skb).pid,
- sp->nlmsg_seq,
- XFRM_MSG_NEWSA, sizeof(*p));
- nlh->nlmsg_flags = sp->nlmsg_flags;
+ nlh = nlmsg_put(skb, NETLINK_CB(in_skb).pid, sp->nlmsg_seq,
+ XFRM_MSG_NEWSA, sizeof(*p), sp->nlmsg_flags);
+ if (nlh == NULL)
+ return -EMSGSIZE;
p = NLMSG_DATA(nlh);
copy_to_user_state(x, p);
@@ -633,7 +633,6 @@ out:
sp->this_idx++;
return 0;
-nlmsg_failure:
rtattr_failure:
nlmsg_trim(skb, b);
return -1;
@@ -1276,11 +1275,11 @@ static int dump_one_policy(struct xfrm_p
if (sp->this_idx < sp->start_idx)
goto out;
- nlh = NLMSG_PUT(skb, NETLINK_CB(in_skb).pid,
- sp->nlmsg_seq,
- XFRM_MSG_NEWPOLICY, sizeof(*p));
+ nlh = nlmsg_put(skb, NETLINK_CB(in_skb).pid, sp->nlmsg_seq,
+ XFRM_MSG_NEWPOLICY, sizeof(*p), sp->nlmsg_flags);
+ if (nlh == NULL)
+ return -EMSGSIZE;
p = NLMSG_DATA(nlh);
- nlh->nlmsg_flags = sp->nlmsg_flags;
copy_to_user_policy(xp, p, dir);
if (copy_to_user_tmpl(xp, skb) < 0)
@@ -1449,9 +1448,10 @@ static int build_aevent(struct sk_buff *
struct xfrm_lifetime_cur ltime;
unsigned char *b = skb_tail_pointer(skb);
- nlh = NLMSG_PUT(skb, c->pid, c->seq, XFRM_MSG_NEWAE, sizeof(*id));
+ nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_NEWAE, sizeof(*id), 0);
+ if (nlh == NULL)
+ return -EMSGSIZE;
id = NLMSG_DATA(nlh);
- nlh->nlmsg_flags = 0;
memcpy(&id->sa_id.daddr, &x->id.daddr,sizeof(x->id.daddr));
id->sa_id.spi = x->id.spi;
@@ -1483,7 +1483,6 @@ static int build_aevent(struct sk_buff *
return skb->len;
rtattr_failure:
-nlmsg_failure:
nlmsg_trim(skb, b);
return -1;
}
@@ -1866,9 +1865,10 @@ static int build_migrate(struct sk_buff
unsigned char *b = skb_tail_pointer(skb);
int i;
- nlh = NLMSG_PUT(skb, 0, 0, XFRM_MSG_MIGRATE, sizeof(*pol_id));
+ nlh = nlmsg_put(skb, 0, 0, XFRM_MSG_MIGRATE, sizeof(*pol_id), 0);
+ if (nlh == NULL)
+ return -EMSGSIZE;
pol_id = NLMSG_DATA(nlh);
- nlh->nlmsg_flags = 0;
/* copy data from selector, dir, and type to the pol_id */
memset(pol_id, 0, sizeof(*pol_id));
@@ -2045,20 +2045,16 @@ static int build_expire(struct sk_buff *
struct nlmsghdr *nlh;
unsigned char *b = skb_tail_pointer(skb);
- nlh = NLMSG_PUT(skb, c->pid, 0, XFRM_MSG_EXPIRE,
- sizeof(*ue));
+ nlh = nlmsg_put(skb, c->pid, 0, XFRM_MSG_EXPIRE, sizeof(*ue), 0);
+ if (nlh == NULL)
+ return -EMSGSIZE;
ue = NLMSG_DATA(nlh);
- nlh->nlmsg_flags = 0;
copy_to_user_state(x, &ue->state);
ue->hard = (c->data.hard != 0) ? 1 : 0;
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
-
-nlmsg_failure:
- nlmsg_trim(skb, b);
- return -1;
}
static int xfrm_exp_state_notify(struct xfrm_state *x, struct km_event *c)
@@ -2108,9 +2104,11 @@ static int xfrm_notify_sa_flush(struct k
return -ENOMEM;
b = skb->tail;
- nlh = NLMSG_PUT(skb, c->pid, c->seq,
- XFRM_MSG_FLUSHSA, sizeof(*p));
- nlh->nlmsg_flags = 0;
+ nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_FLUSHSA, sizeof(*p), 0);
+ if (nlh == NULL) {
+ kfree_skb(skb);
+ return -EMSGSIZE;
+ }
p = NLMSG_DATA(nlh);
p->proto = c->data.proto;
@@ -2119,10 +2117,6 @@ static int xfrm_notify_sa_flush(struct k
NETLINK_CB(skb).dst_group = XFRMNLGRP_SA;
return netlink_broadcast(xfrm_nl, skb, 0, XFRMNLGRP_SA, GFP_ATOMIC);
-
-nlmsg_failure:
- kfree_skb(skb);
- return -1;
}
static inline int xfrm_sa_len(struct xfrm_state *x)
@@ -2162,8 +2156,9 @@ static int xfrm_notify_sa(struct xfrm_st
return -ENOMEM;
b = skb->tail;
- nlh = NLMSG_PUT(skb, c->pid, c->seq, c->event, headlen);
- nlh->nlmsg_flags = 0;
+ nlh = nlmsg_put(skb, c->pid, c->seq, c->event, headlen, 0);
+ if (nlh == NULL)
+ goto nlmsg_failure;
p = NLMSG_DATA(nlh);
if (c->event == XFRM_MSG_DELSA) {
@@ -2233,10 +2228,10 @@ static int build_acquire(struct sk_buff
unsigned char *b = skb_tail_pointer(skb);
__u32 seq = xfrm_get_acqseq();
- nlh = NLMSG_PUT(skb, 0, 0, XFRM_MSG_ACQUIRE,
- sizeof(*ua));
+ nlh = nlmsg_put(skb, 0, 0, XFRM_MSG_ACQUIRE, sizeof(*ua), 0);
+ if (nlh == NULL)
+ return -EMSGSIZE;
ua = NLMSG_DATA(nlh);
- nlh->nlmsg_flags = 0;
memcpy(&ua->id, &x->id, sizeof(ua->id));
memcpy(&ua->saddr, &x->props.saddr, sizeof(ua->saddr));
@@ -2352,9 +2347,10 @@ static int build_polexpire(struct sk_buf
int hard = c->data.hard;
unsigned char *b = skb_tail_pointer(skb);
- nlh = NLMSG_PUT(skb, c->pid, 0, XFRM_MSG_POLEXPIRE, sizeof(*upe));
+ nlh = nlmsg_put(skb, c->pid, 0, XFRM_MSG_POLEXPIRE, sizeof(*upe), 0);
+ if (nlh == NULL)
+ return -EMSGSIZE;
upe = NLMSG_DATA(nlh);
- nlh->nlmsg_flags = 0;
copy_to_user_policy(xp, &upe->pol, dir);
if (copy_to_user_tmpl(xp, skb) < 0)
@@ -2420,7 +2416,9 @@ static int xfrm_notify_policy(struct xfr
return -ENOMEM;
b = skb->tail;
- nlh = NLMSG_PUT(skb, c->pid, c->seq, c->event, headlen);
+ nlh = nlmsg_put(skb, c->pid, c->seq, c->event, headlen, 0);
+ if (nlh == NULL)
+ goto nlmsg_failure;
p = NLMSG_DATA(nlh);
if (c->event == XFRM_MSG_DELPOLICY) {
@@ -2435,8 +2433,6 @@ static int xfrm_notify_policy(struct xfr
p = RTA_DATA(__RTA_PUT(skb, XFRMA_POLICY, sizeof(*p)));
}
- nlh->nlmsg_flags = 0;
-
copy_to_user_policy(xp, p, dir);
if (copy_to_user_tmpl(xp, skb) < 0)
goto nlmsg_failure;
@@ -2471,8 +2467,9 @@ static int xfrm_notify_policy_flush(stru
b = skb->tail;
- nlh = NLMSG_PUT(skb, c->pid, c->seq, XFRM_MSG_FLUSHPOLICY, 0);
- nlh->nlmsg_flags = 0;
+ nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_FLUSHPOLICY, 0, 0);
+ if (nlh == NULL)
+ goto nlmsg_failure;
if (copy_to_user_policy_type(c->data.type, skb) < 0)
goto nlmsg_failure;
@@ -2513,9 +2510,10 @@ static int build_report(struct sk_buff *
struct nlmsghdr *nlh;
unsigned char *b = skb_tail_pointer(skb);
- nlh = NLMSG_PUT(skb, 0, 0, XFRM_MSG_REPORT, sizeof(*ur));
+ nlh = nlmsg_put(skb, 0, 0, XFRM_MSG_REPORT, sizeof(*ur), 0);
+ if (nlh == NULL)
+ return -EMSGSIZE;
ur = NLMSG_DATA(nlh);
- nlh->nlmsg_flags = 0;
ur->proto = proto;
memcpy(&ur->sel, sel, sizeof(ur->sel));
@@ -2526,7 +2524,6 @@ static int build_report(struct sk_buff *
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
-nlmsg_failure:
rtattr_failure:
nlmsg_trim(skb, b);
return -1;
--
next prev parent reply other threads:[~2007-08-22 15:29 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-22 14:55 [PATCH 00/16] xfrm netlink interface cleanups Thomas Graf
2007-08-22 14:55 ` Thomas Graf [this message]
2007-08-22 19:47 ` [PATCH 01/16] [XFRM] netlink: Use nlmsg_put() instead of NLMSG_PUT() David Miller
2007-08-22 14:55 ` [PATCH 02/16] [XFRM] netlink: Use nlmsg_end() and nlmsg_cancel() Thomas Graf
2007-08-22 19:47 ` David Miller
2007-08-22 14:55 ` [PATCH 03/16] [XFRM] netlink: Use nlmsg_data() instead of NLMSG_DATA() Thomas Graf
2007-08-22 19:49 ` David Miller
2007-08-22 14:55 ` [PATCH 04/16] [XFRM] netlink: Use nlmsg_broadcast() and nlmsg_unicast() Thomas Graf
2007-08-22 20:54 ` David Miller
2007-08-22 14:55 ` [PATCH 05/16] [XFRM] netlink: Use nla_put()/NLA_PUT() variantes Thomas Graf
2007-08-22 20:55 ` David Miller
2007-08-22 14:55 ` [PATCH 06/16] [XFRM] netlink: Move algorithm length calculation to its own function Thomas Graf
2007-08-22 20:56 ` David Miller
2007-08-22 14:55 ` [PATCH 07/16] [XFRM] netlink: Clear up some of the CONFIG_XFRM_SUB_POLICY ifdef mess Thomas Graf
2007-08-22 20:57 ` David Miller
2007-08-22 14:55 ` [PATCH 08/16] [XFRM] netlink: Use nlmsg_new() and type-safe size calculation helpers Thomas Graf
2007-08-22 20:57 ` David Miller
2007-08-22 14:55 ` [PATCH 09/16] [XFRM] netlink: Use nlmsg_parse() to parse attributes Thomas Graf
2007-08-22 20:58 ` David Miller
2007-08-22 14:55 ` [PATCH 10/16] [XFRM] netlink: Establish an attribute policy Thomas Graf
2007-08-22 20:59 ` David Miller
2007-08-22 14:55 ` [PATCH 11/16] [XFRM] netlink: Enhance indexing of the attribute array Thomas Graf
2007-08-22 20:59 ` David Miller
2007-08-22 14:55 ` [PATCH 12/16] [XFRM] netlink: Rename attribyte array from xfrma[] to attrs[] Thomas Graf
2007-08-22 21:01 ` David Miller
2007-08-22 14:55 ` [PATCH 13/16] [XFRM] netlink: Use nlattr instead of rtattr Thomas Graf
2007-08-22 21:01 ` David Miller
2007-08-22 14:55 ` [PATCH 14/16] [XFRM] netlink: Use nla_memcpy() in xfrm_update_ae_params() Thomas Graf
2007-08-22 21:02 ` David Miller
2007-08-22 14:55 ` [PATCH 15/16] [XFRM] netlink: Remove dependency on rtnetlink Thomas Graf
2007-08-22 21:02 ` David Miller
2007-08-22 14:55 ` [PATCH 16/16] [XFRM] netlink: Inline attach_encap_tmpl(), attach_sec_ctx(), and attach_one_addr() Thomas Graf
2007-08-22 21:03 ` David Miller
2007-08-24 10:05 ` [PATCH] [XFRM] : Fix pointer copy size for encap_tmpl and coaddr Masahide NAKAMURA
2007-08-24 10:35 ` Thomas Graf
2007-08-25 6:30 ` David Miller
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