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Diffstat (limited to 'fs/smb/server')
-rw-r--r--fs/smb/server/connection.c3
-rw-r--r--fs/smb/server/connection.h7
-rw-r--r--fs/smb/server/oplock.c13
-rw-r--r--fs/smb/server/smb2pdu.c16
-rw-r--r--fs/smb/server/transport_rdma.c5
-rw-r--r--fs/smb/server/transport_rdma.h4
-rw-r--r--fs/smb/server/transport_tcp.c26
7 files changed, 52 insertions, 22 deletions
diff --git a/fs/smb/server/connection.c b/fs/smb/server/connection.c
index 9eb3e6010aa6..1c37d1e9aef3 100644
--- a/fs/smb/server/connection.c
+++ b/fs/smb/server/connection.c
@@ -503,7 +503,8 @@ void ksmbd_conn_transport_destroy(void)
{
mutex_lock(&init_lock);
ksmbd_tcp_destroy();
- ksmbd_rdma_destroy();
+ ksmbd_rdma_stop_listening();
stop_sessions();
+ ksmbd_rdma_destroy();
mutex_unlock(&init_lock);
}
diff --git a/fs/smb/server/connection.h b/fs/smb/server/connection.h
index 31dd1caac1e8..2aa8084bb593 100644
--- a/fs/smb/server/connection.h
+++ b/fs/smb/server/connection.h
@@ -46,7 +46,12 @@ struct ksmbd_conn {
struct mutex srv_mutex;
int status;
unsigned int cli_cap;
- __be32 inet_addr;
+ union {
+ __be32 inet_addr;
+#if IS_ENABLED(CONFIG_IPV6)
+ u8 inet6_addr[16];
+#endif
+ };
char *request_buf;
struct ksmbd_transport *transport;
struct nls_table *local_nls;
diff --git a/fs/smb/server/oplock.c b/fs/smb/server/oplock.c
index d7a8a580d013..a04d5702820d 100644
--- a/fs/smb/server/oplock.c
+++ b/fs/smb/server/oplock.c
@@ -1102,8 +1102,10 @@ void smb_send_parent_lease_break_noti(struct ksmbd_file *fp,
if (!atomic_inc_not_zero(&opinfo->refcount))
continue;
- if (ksmbd_conn_releasing(opinfo->conn))
+ if (ksmbd_conn_releasing(opinfo->conn)) {
+ opinfo_put(opinfo);
continue;
+ }
oplock_break(opinfo, SMB2_OPLOCK_LEVEL_NONE, NULL);
opinfo_put(opinfo);
@@ -1139,8 +1141,11 @@ void smb_lazy_parent_lease_break_close(struct ksmbd_file *fp)
if (!atomic_inc_not_zero(&opinfo->refcount))
continue;
- if (ksmbd_conn_releasing(opinfo->conn))
+ if (ksmbd_conn_releasing(opinfo->conn)) {
+ opinfo_put(opinfo);
continue;
+ }
+
oplock_break(opinfo, SMB2_OPLOCK_LEVEL_NONE, NULL);
opinfo_put(opinfo);
}
@@ -1343,8 +1348,10 @@ void smb_break_all_levII_oplock(struct ksmbd_work *work, struct ksmbd_file *fp,
if (!atomic_inc_not_zero(&brk_op->refcount))
continue;
- if (ksmbd_conn_releasing(brk_op->conn))
+ if (ksmbd_conn_releasing(brk_op->conn)) {
+ opinfo_put(brk_op);
continue;
+ }
if (brk_op->is_lease && (brk_op->o_lease->state &
(~(SMB2_LEASE_READ_CACHING_LE |
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 495a9faa298b..6dafc2fbac25 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -6023,7 +6023,6 @@ static int smb2_create_link(struct ksmbd_work *work,
{
char *link_name = NULL, *target_name = NULL, *pathname = NULL;
struct path path, parent_path;
- bool file_present = false;
int rc;
if (buf_len < (u64)sizeof(struct smb2_file_link_info) +
@@ -6056,11 +6055,8 @@ static int smb2_create_link(struct ksmbd_work *work,
if (rc) {
if (rc != -ENOENT)
goto out;
- } else
- file_present = true;
-
- if (file_info->ReplaceIfExists) {
- if (file_present) {
+ } else {
+ if (file_info->ReplaceIfExists) {
rc = ksmbd_vfs_remove_file(work, &path);
if (rc) {
rc = -EINVAL;
@@ -6068,21 +6064,17 @@ static int smb2_create_link(struct ksmbd_work *work,
link_name);
goto out;
}
- }
- } else {
- if (file_present) {
+ } else {
rc = -EEXIST;
ksmbd_debug(SMB, "link already exists\n");
goto out;
}
+ ksmbd_vfs_kern_path_unlock(&parent_path, &path);
}
-
rc = ksmbd_vfs_link(work, target_name, link_name);
if (rc)
rc = -EINVAL;
out:
- if (file_present)
- ksmbd_vfs_kern_path_unlock(&parent_path, &path);
if (!IS_ERR(link_name))
kfree(link_name);
diff --git a/fs/smb/server/transport_rdma.c b/fs/smb/server/transport_rdma.c
index 805c20f619b0..67c989e5ddaa 100644
--- a/fs/smb/server/transport_rdma.c
+++ b/fs/smb/server/transport_rdma.c
@@ -2193,7 +2193,7 @@ int ksmbd_rdma_init(void)
return 0;
}
-void ksmbd_rdma_destroy(void)
+void ksmbd_rdma_stop_listening(void)
{
if (!smb_direct_listener.cm_id)
return;
@@ -2202,7 +2202,10 @@ void ksmbd_rdma_destroy(void)
rdma_destroy_id(smb_direct_listener.cm_id);
smb_direct_listener.cm_id = NULL;
+}
+void ksmbd_rdma_destroy(void)
+{
if (smb_direct_wq) {
destroy_workqueue(smb_direct_wq);
smb_direct_wq = NULL;
diff --git a/fs/smb/server/transport_rdma.h b/fs/smb/server/transport_rdma.h
index 77aee4e5c9dc..a2291b77488a 100644
--- a/fs/smb/server/transport_rdma.h
+++ b/fs/smb/server/transport_rdma.h
@@ -54,13 +54,15 @@ struct smb_direct_data_transfer {
#ifdef CONFIG_SMB_SERVER_SMBDIRECT
int ksmbd_rdma_init(void);
+void ksmbd_rdma_stop_listening(void);
void ksmbd_rdma_destroy(void);
bool ksmbd_rdma_capable_netdev(struct net_device *netdev);
void init_smbd_max_io_size(unsigned int sz);
unsigned int get_smbd_max_read_write_size(void);
#else
static inline int ksmbd_rdma_init(void) { return 0; }
-static inline int ksmbd_rdma_destroy(void) { return 0; }
+static inline void ksmbd_rdma_stop_listening(void) { }
+static inline void ksmbd_rdma_destroy(void) { }
static inline bool ksmbd_rdma_capable_netdev(struct net_device *netdev) { return false; }
static inline void init_smbd_max_io_size(unsigned int sz) { }
static inline unsigned int get_smbd_max_read_write_size(void) { return 0; }
diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c
index d72588f33b9c..756833c91b14 100644
--- a/fs/smb/server/transport_tcp.c
+++ b/fs/smb/server/transport_tcp.c
@@ -87,7 +87,14 @@ static struct tcp_transport *alloc_transport(struct socket *client_sk)
return NULL;
}
+#if IS_ENABLED(CONFIG_IPV6)
+ if (client_sk->sk->sk_family == AF_INET6)
+ memcpy(&conn->inet6_addr, &client_sk->sk->sk_v6_daddr, 16);
+ else
+ conn->inet_addr = inet_sk(client_sk->sk)->inet_daddr;
+#else
conn->inet_addr = inet_sk(client_sk->sk)->inet_daddr;
+#endif
conn->transport = KSMBD_TRANS(t);
KSMBD_TRANS(t)->conn = conn;
KSMBD_TRANS(t)->ops = &ksmbd_tcp_transport_ops;
@@ -231,7 +238,6 @@ static int ksmbd_kthread_fn(void *p)
{
struct socket *client_sk = NULL;
struct interface *iface = (struct interface *)p;
- struct inet_sock *csk_inet;
struct ksmbd_conn *conn;
int ret;
@@ -254,13 +260,27 @@ static int ksmbd_kthread_fn(void *p)
/*
* Limits repeated connections from clients with the same IP.
*/
- csk_inet = inet_sk(client_sk->sk);
down_read(&conn_list_lock);
list_for_each_entry(conn, &conn_list, conns_list)
- if (csk_inet->inet_daddr == conn->inet_addr) {
+#if IS_ENABLED(CONFIG_IPV6)
+ if (client_sk->sk->sk_family == AF_INET6) {
+ if (memcmp(&client_sk->sk->sk_v6_daddr,
+ &conn->inet6_addr, 16) == 0) {
+ ret = -EAGAIN;
+ break;
+ }
+ } else if (inet_sk(client_sk->sk)->inet_daddr ==
+ conn->inet_addr) {
+ ret = -EAGAIN;
+ break;
+ }
+#else
+ if (inet_sk(client_sk->sk)->inet_daddr ==
+ conn->inet_addr) {
ret = -EAGAIN;
break;
}
+#endif
up_read(&conn_list_lock);
if (ret == -EAGAIN)
continue;
generated by cgit v1.2.3 (git 2.39.0) at 2025-09-03 01:07:39 +0300