diff options
Diffstat (limited to 'net/iucv')
| -rw-r--r-- | net/iucv/af_iucv.c | 28 | ||||
| -rw-r--r-- | net/iucv/iucv.c | 25 |
2 files changed, 41 insertions, 12 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index af3192d2a5a..eb8a2a0b6eb 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -494,7 +494,21 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, if (err) { iucv_path_free(iucv->path); iucv->path = NULL; - err = -ECONNREFUSED; + switch (err) { + case 0x0b: /* Target communicator is not logged on */ + err = -ENETUNREACH; + break; + case 0x0d: /* Max connections for this guest exceeded */ + case 0x0e: /* Max connections for target guest exceeded */ + err = -EAGAIN; + break; + case 0x0f: /* Missing IUCV authorization */ + err = -EACCES; + break; + default: + err = -ECONNREFUSED; + break; + } goto done; } @@ -507,6 +521,13 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, release_sock(sk); return -ECONNREFUSED; } + + if (err) { + iucv_path_sever(iucv->path, NULL); + iucv_path_free(iucv->path); + iucv->path = NULL; + } + done: release_sock(sk); return err; @@ -1021,12 +1042,14 @@ static int iucv_callback_connreq(struct iucv_path *path, ASCEBC(user_data, sizeof(user_data)); if (sk->sk_state != IUCV_LISTEN) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } /* Check for backlog size */ if (sk_acceptq_is_full(sk)) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } @@ -1034,6 +1057,7 @@ static int iucv_callback_connreq(struct iucv_path *path, nsk = iucv_sock_alloc(NULL, SOCK_STREAM, GFP_ATOMIC); if (!nsk) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } @@ -1057,6 +1081,8 @@ static int iucv_callback_connreq(struct iucv_path *path, err = iucv_path_accept(path, &af_iucv_handler, nuser_data, nsk); if (err) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); + iucv_sock_kill(nsk); goto fail; } diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 8f57d4f4328..a35240f61ec 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -50,7 +50,6 @@ #include <asm/ebcdic.h> #include <asm/io.h> #include <asm/s390_ext.h> -#include <asm/s390_rdev.h> #include <asm/smp.h> /* @@ -517,6 +516,7 @@ static int iucv_enable(void) size_t alloc_size; int cpu, rc; + get_online_cpus(); rc = -ENOMEM; alloc_size = iucv_max_pathid * sizeof(struct iucv_path); iucv_path_table = kzalloc(alloc_size, GFP_KERNEL); @@ -524,19 +524,17 @@ static int iucv_enable(void) goto out; /* Declare per cpu buffers. */ rc = -EIO; - get_online_cpus(); for_each_online_cpu(cpu) smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); if (cpus_empty(iucv_buffer_cpumask)) /* No cpu could declare an iucv buffer. */ - goto out_path; + goto out; put_online_cpus(); return 0; - -out_path: - put_online_cpus(); - kfree(iucv_path_table); out: + kfree(iucv_path_table); + iucv_path_table = NULL; + put_online_cpus(); return rc; } @@ -551,8 +549,9 @@ static void iucv_disable(void) { get_online_cpus(); on_each_cpu(iucv_retrieve_cpu, NULL, 1); - put_online_cpus(); kfree(iucv_path_table); + iucv_path_table = NULL; + put_online_cpus(); } static int __cpuinit iucv_cpu_notify(struct notifier_block *self, @@ -589,10 +588,14 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self, case CPU_ONLINE_FROZEN: case CPU_DOWN_FAILED: case CPU_DOWN_FAILED_FROZEN: + if (!iucv_path_table) + break; smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); break; case CPU_DOWN_PREPARE: case CPU_DOWN_PREPARE_FROZEN: + if (!iucv_path_table) + break; cpumask = iucv_buffer_cpumask; cpu_clear(cpu, cpumask); if (cpus_empty(cpumask)) @@ -1692,7 +1695,7 @@ static int __init iucv_init(void) rc = register_external_interrupt(0x4000, iucv_external_interrupt); if (rc) goto out; - iucv_root = s390_root_dev_register("iucv"); + iucv_root = root_device_register("iucv"); if (IS_ERR(iucv_root)) { rc = PTR_ERR(iucv_root); goto out_int; @@ -1736,7 +1739,7 @@ out_free: kfree(iucv_irq_data[cpu]); iucv_irq_data[cpu] = NULL; } - s390_root_dev_unregister(iucv_root); + root_device_unregister(iucv_root); out_int: unregister_external_interrupt(0x4000, iucv_external_interrupt); out: @@ -1766,7 +1769,7 @@ static void __exit iucv_exit(void) kfree(iucv_irq_data[cpu]); iucv_irq_data[cpu] = NULL; } - s390_root_dev_unregister(iucv_root); + root_device_unregister(iucv_root); bus_unregister(&iucv_bus); unregister_external_interrupt(0x4000, iucv_external_interrupt); } |