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[LLC]: Use refcounting with struct llc_sap

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Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-09-22 04:43:05 -03:00
parent 04e4223f44
commit 6e2144b768
9 changed files with 56 additions and 48 deletions
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net/llc/af_llc.c
+6 -5
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@@ -21,6 +21,7 @@
* See the GNU General Public License for more details.
*/
#include <linux/config.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/rtnetlink.h>
@@ -188,10 +189,6 @@ static int llc_ui_release(struct socket *sock)
if (!sock_flag(sk, SOCK_ZAPPED))
llc_sap_remove_socket(llc->sap, sk);
release_sock(sk);
if (llc->sap && hlist_empty(&llc->sap->sk_list.list)) {
llc_release_sockets(llc->sap);
llc_sap_close(llc->sap);
}
if (llc->dev)
dev_put(llc->dev);
sock_put(sk);
@@ -220,6 +217,7 @@ static int llc_ui_autoport(void)
llc_ui_sap_last_autoport = i + 2;
goto out;
}
llc_sap_put(sap);
}
llc_ui_sap_last_autoport = LLC_SAP_DYN_START;
tries++;
@@ -310,6 +308,7 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
rc = -EBUSY; /* some other network layer is using the sap */
if (!sap)
goto out;
llc_sap_hold(sap);
} else {
struct llc_addr laddr, daddr;
struct sock *ask;
@@ -326,7 +325,7 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
ask = llc_lookup_established(sap, &daddr, &laddr);
if (ask) {
sock_put(ask);
goto out;
goto out_put;
}
}
llc->laddr.lsap = addr->sllc_sap;
@@ -336,6 +335,8 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
llc_sap_add_socket(sap, sk);
sock_reset_flag(sk, SOCK_ZAPPED);
rc = 0;
out_put:
llc_sap_put(sap);
out:
return rc;
}