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Diffstat (limited to 'net/rose/af_rose.c')
-rw-r--r--net/rose/af_rose.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index d00a0ef39..03a1ee221 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -194,6 +194,7 @@ static void rose_kill_by_device(struct net_device *dev)
rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
if (rose->neighbour)
rose->neighbour->use--;
+ dev_put(rose->device);
rose->device = NULL;
}
}
@@ -594,6 +595,8 @@ static struct sock *rose_make_new(struct sock *osk)
rose->idle = orose->idle;
rose->defer = orose->defer;
rose->device = orose->device;
+ if (rose->device)
+ dev_hold(rose->device);
rose->qbitincl = orose->qbitincl;
return sk;
@@ -647,6 +650,7 @@ static int rose_release(struct socket *sock)
break;
}
+ dev_put(rose->device);
sock->sk = NULL;
release_sock(sk);
sock_put(sk);
@@ -721,7 +725,6 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le
struct rose_sock *rose = rose_sk(sk);
struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
unsigned char cause, diagnostic;
- struct net_device *dev;
ax25_uid_assoc *user;
int n, err = 0;
@@ -778,9 +781,12 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le
}
if (sock_flag(sk, SOCK_ZAPPED)) { /* Must bind first - autobinding in this may or may not work */
+ struct net_device *dev;
+
sock_reset_flag(sk, SOCK_ZAPPED);
- if ((dev = rose_dev_first()) == NULL) {
+ dev = rose_dev_first();
+ if (!dev) {
err = -ENETUNREACH;
goto out_release;
}
@@ -788,6 +794,7 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le
user = ax25_findbyuid(current_euid());
if (!user) {
err = -EINVAL;
+ dev_put(dev);
goto out_release;
}