diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:53:03 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:53:03 +0200 |
commit | 009b9fc98ddd83f9139fdabb12c0d7a8535d5421 (patch) | |
tree | f7d3e182407d2ebe50a9b8db6361ac910027a1cf /net/netlink | |
parent | 3711ccb07b7f0a13f4f1aa16a8fdca9c930f21ca (diff) | |
parent | 481c5346d0981940ee63037eb53e4e37b0735c10 (diff) |
Merge branch 'linus' into x86/threadinfotip-x86-threadinfo-2008-06-23_09.53_Mon
Diffstat (limited to 'net/netlink')
-rw-r--r-- | net/netlink/attr.c | 12 | ||||
-rw-r--r-- | net/netlink/genetlink.c | 21 |
2 files changed, 16 insertions, 17 deletions
diff --git a/net/netlink/attr.c b/net/netlink/attr.c index feb326f4a752..47bbf45ae5d7 100644 --- a/net/netlink/attr.c +++ b/net/netlink/attr.c @@ -400,13 +400,13 @@ void __nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data) * @attrlen: length of attribute payload * @data: head of attribute payload * - * Returns -1 if the tailroom of the skb is insufficient to store + * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store * the attribute header and payload. */ int nla_put(struct sk_buff *skb, int attrtype, int attrlen, const void *data) { if (unlikely(skb_tailroom(skb) < nla_total_size(attrlen))) - return -1; + return -EMSGSIZE; __nla_put(skb, attrtype, attrlen, data); return 0; @@ -418,13 +418,13 @@ int nla_put(struct sk_buff *skb, int attrtype, int attrlen, const void *data) * @attrlen: length of attribute payload * @data: head of attribute payload * - * Returns -1 if the tailroom of the skb is insufficient to store + * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store * the attribute payload. */ int nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data) { if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen))) - return -1; + return -EMSGSIZE; __nla_put_nohdr(skb, attrlen, data); return 0; @@ -436,13 +436,13 @@ int nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data) * @attrlen: length of attribute payload * @data: head of attribute payload * - * Returns -1 if the tailroom of the skb is insufficient to store + * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store * the attribute payload. */ int nla_append(struct sk_buff *skb, int attrlen, const void *data) { if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen))) - return -1; + return -EMSGSIZE; memcpy(skb_put(skb, attrlen), data, attrlen); return 0; diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index d16929c9b4bc..3e1191cecaf0 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -444,8 +444,11 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if (ops->dumpit == NULL) return -EOPNOTSUPP; - return netlink_dump_start(genl_sock, skb, nlh, - ops->dumpit, ops->done); + genl_unlock(); + err = netlink_dump_start(genl_sock, skb, nlh, + ops->dumpit, ops->done); + genl_lock(); + return err; } if (ops->doit == NULL) @@ -554,7 +557,8 @@ static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq, return genlmsg_end(skb, hdr); nla_put_failure: - return genlmsg_cancel(skb, hdr); + genlmsg_cancel(skb, hdr); + return -EMSGSIZE; } static int ctrl_fill_mcgrp_info(struct genl_multicast_group *grp, u32 pid, @@ -590,7 +594,8 @@ static int ctrl_fill_mcgrp_info(struct genl_multicast_group *grp, u32 pid, return genlmsg_end(skb, hdr); nla_put_failure: - return genlmsg_cancel(skb, hdr); + genlmsg_cancel(skb, hdr); + return -EMSGSIZE; } static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) @@ -601,9 +606,6 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) int chains_to_skip = cb->args[0]; int fams_to_skip = cb->args[1]; - if (chains_to_skip != 0) - genl_lock(); - for (i = 0; i < GENL_FAM_TAB_SIZE; i++) { if (i < chains_to_skip) continue; @@ -621,9 +623,6 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) } errout: - if (chains_to_skip != 0) - genl_unlock(); - cb->args[0] = i; cb->args[1] = n; @@ -768,7 +767,7 @@ static int __init genl_init(void) /* we'll bump the group number right afterwards */ genl_sock = netlink_kernel_create(&init_net, NETLINK_GENERIC, 0, - genl_rcv, NULL, THIS_MODULE); + genl_rcv, &genl_mutex, THIS_MODULE); if (genl_sock == NULL) panic("GENL: Cannot initialize generic netlink\n"); |