diff options
| author | Benjamin Poirier <bpoirier@suse.de> | 2012-03-08 09:55:59 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-03-09 01:52:09 +0400 |
| commit | 2f2d76cc3e938389feee671b46252dde6880b3b7 (patch) | |
| tree | 250a56bfb70175a266ae26132e795d1e884a6196 /fs/dlm | |
| parent | 0343c5543b1d3ffa08e6716d82afb62648b80eba (diff) | |
| download | linux-2f2d76cc3e938389feee671b46252dde6880b3b7.tar.xz | |
dlm: Do not allocate a fd for peeloff
avoids allocating a fd that a) propagates to every kernel thread and
usermodehelper b) is not properly released.
References: http://article.gmane.org/gmane.linux.network.drbd/22529
Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/dlm')
| -rw-r--r-- | fs/dlm/lowcomms.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 0b3109ee4257..ca0c59a4246c 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -52,6 +52,7 @@ #include <linux/mutex.h> #include <linux/sctp.h> #include <linux/slab.h> +#include <net/sctp/sctp.h> #include <net/sctp/user.h> #include <net/ipv6.h> @@ -474,9 +475,6 @@ static void process_sctp_notification(struct connection *con, int prim_len, ret; int addr_len; struct connection *new_con; - sctp_peeloff_arg_t parg; - int parglen = sizeof(parg); - int err; /* * We get this before any data for an association. @@ -525,23 +523,19 @@ static void process_sctp_notification(struct connection *con, return; /* Peel off a new sock */ - parg.associd = sn->sn_assoc_change.sac_assoc_id; - ret = kernel_getsockopt(con->sock, IPPROTO_SCTP, - SCTP_SOCKOPT_PEELOFF, - (void *)&parg, &parglen); + sctp_lock_sock(con->sock->sk); + ret = sctp_do_peeloff(con->sock->sk, + sn->sn_assoc_change.sac_assoc_id, + &new_con->sock); + sctp_release_sock(con->sock->sk); if (ret < 0) { log_print("Can't peel off a socket for " "connection %d to node %d: err=%d", - parg.associd, nodeid, ret); - return; - } - new_con->sock = sockfd_lookup(parg.sd, &err); - if (!new_con->sock) { - log_print("sockfd_lookup error %d", err); + (int)sn->sn_assoc_change.sac_assoc_id, + nodeid, ret); return; } add_sock(new_con->sock, new_con); - sockfd_put(new_con->sock); log_print("connecting to %d sctp association %d", nodeid, (int)sn->sn_assoc_change.sac_assoc_id); |