Merge branch 'master' into master

5 files changed, 38 insertions, 30 deletions

diff --git a/components/net/netdev/include/arpa/inet.h b/components/net/netdev/include/arpa/inet.h
index 085e15dcbc..9072dffb79 100644
--- a/components/net/netdev/include/arpa/inet.h
+++ b/components/net/netdev/include/arpa/inet.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/netdev/include/netdev.h b/components/net/netdev/include/netdev.h
index e11a8929b0..16da0e502c 100644
--- a/components/net/netdev/include/netdev.h
+++ b/components/net/netdev/include/netdev.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -79,8 +79,8 @@ struct netdev_ops;
 /* network interface device object */
 struct netdev
 {
-    rt_slist_t list; 
-    
+    rt_slist_t list;
+
     char name[RT_NAME_MAX];                            /* network interface device name */
     ip_addr_t ip_addr;                                 /* IP address */
     ip_addr_t netmask;                                 /* subnet mask */
@@ -91,11 +91,11 @@ struct netdev
     ip_addr_t dns_servers[NETDEV_DNS_SERVERS_NUM];     /* DNS server */
     uint8_t hwaddr_len;                                /* hardware address length */
     uint8_t hwaddr[NETDEV_HWADDR_MAX_LEN];             /* hardware address */
-    
+
     uint16_t flags;                                    /* network interface device status flag */
     uint16_t mtu;                                      /* maximum transfer unit (in bytes) */
     const struct netdev_ops *ops;                      /* network interface device operations */
-    
+
     netdev_callback_fn status_callback;                /* network interface device flags change callback */
     netdev_callback_fn addr_callback;                  /* network interface device address information change callback */
 
diff --git a/components/net/netdev/include/netdev_ipaddr.h b/components/net/netdev/include/netdev_ipaddr.h
index 65970ec5b7..08ea50ed9d 100644
--- a/components/net/netdev/include/netdev_ipaddr.h
+++ b/components/net/netdev/include/netdev_ipaddr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -23,30 +23,30 @@ extern "C" {
  * On subnets, the decomposition of addresses to host and net parts
  * is done according to subnet mask, not the masks here.
  */
-#define	IN_CLASSA(i)		(((long)(i) & 0x80000000) == 0)
-#define	IN_CLASSA_NET		0xff000000
-#define	IN_CLASSA_NSHIFT	24
-#define	IN_CLASSA_HOST		0x00ffffff
-#define	IN_CLASSA_MAX		128
+#define IN_CLASSA(i)        (((long)(i) & 0x80000000) == 0)
+#define IN_CLASSA_NET       0xff000000
+#define IN_CLASSA_NSHIFT    24
+#define IN_CLASSA_HOST      0x00ffffff
+#define IN_CLASSA_MAX       128
 
-#define	IN_CLASSB(i)		(((long)(i) & 0xc0000000) == 0x80000000)
-#define	IN_CLASSB_NET		0xffff0000
-#define	IN_CLASSB_NSHIFT	16
-#define	IN_CLASSB_HOST		0x0000ffff
-#define	IN_CLASSB_MAX		65536
+#define IN_CLASSB(i)        (((long)(i) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET       0xffff0000
+#define IN_CLASSB_NSHIFT    16
+#define IN_CLASSB_HOST      0x0000ffff
+#define IN_CLASSB_MAX       65536
 
-#define	IN_CLASSC(i)		(((long)(i) & 0xe0000000) == 0xc0000000)
-#define	IN_CLASSC_NET		0xffffff00
-#define	IN_CLASSC_NSHIFT	8
-#define	IN_CLASSC_HOST		0x000000ff
+#define IN_CLASSC(i)        (((long)(i) & 0xe0000000) == 0xc0000000)
+#define IN_CLASSC_NET       0xffffff00
+#define IN_CLASSC_NSHIFT    8
+#define IN_CLASSC_HOST      0x000000ff
 
-#define	IN_CLASSD(i)		(((long)(i) & 0xf0000000) == 0xe0000000)
-#define	IN_MULTICAST(i)		IN_CLASSD(i)
+#define IN_CLASSD(i)        (((long)(i) & 0xf0000000) == 0xe0000000)
+#define IN_MULTICAST(i)     IN_CLASSD(i)
 
-#define	IN_EXPERIMENTAL(i)	(((long)(i) & 0xe0000000) == 0xe0000000)
-#define	IN_BADCLASS(i)		(((long)(i) & 0xf0000000) == 0xf0000000)
+#define IN_EXPERIMENTAL(i)  (((long)(i) & 0xe0000000) == 0xe0000000)
+#define IN_BADCLASS(i)      (((long)(i) & 0xf0000000) == 0xf0000000)
 
-#define	IN_LOOPBACKNET		127			/* official! */
+#define IN_LOOPBACKNET      127         /* official! */
 
 /* IP address types for use in ip_addr_t.type member */
 enum netdev_ip_addr_type {
@@ -307,7 +307,7 @@ const char *netdev_inet_ntop(int af, const void *src, char *dst, int32_t size);
 int netdev_inet_pton(int af, const char *src, void *dst);
 
 #define inet_ntop(af, src, dst, size)       netdev_inet_ntop(af, src, dst, size)
-#define inet_pton(af, src, dst)             netdev_inet_pton(af, src, dst) 
+#define inet_pton(af, src, dst)             netdev_inet_pton(af, src, dst)
 
 #ifdef __cplusplus
 }
diff --git a/components/net/netdev/src/netdev.c b/components/net/netdev/src/netdev.c
index 76a937cc75..3f7aa401c1 100644
--- a/components/net/netdev/src/netdev.c
+++ b/components/net/netdev/src/netdev.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -77,6 +77,14 @@ int netdev_register(struct netdev *netdev, const char *name, void *user_data)
     netdev->status_callback = RT_NULL;
     netdev->addr_callback = RT_NULL;
 
+    if(rt_strlen(name) > RT_NAME_MAX)
+    {
+        char netdev_name[RT_NAME_MAX + 1] = {0};
+
+        rt_strncpy(netdev_name, name, RT_NAME_MAX);
+        LOG_E("netdev name[%s] length is so long that have been cut into [%s].", name, netdev_name);
+    }
+
     /* fill network interface device */
     rt_strncpy(netdev->name, name, RT_NAME_MAX);
     netdev->user_data = user_data;
@@ -260,7 +268,7 @@ struct netdev *netdev_get_by_name(const char *name)
     for (node = &(netdev_list->list); node; node = rt_slist_next(node))
     {
         netdev = rt_slist_entry(node, struct netdev, list);
-        if (netdev && (rt_strncmp(netdev->name, name, RT_NAME_MAX) == 0))
+        if (netdev && (rt_strncmp(netdev->name, name, rt_strlen(netdev->name) < RT_NAME_MAX ? rt_strlen(netdev->name) : RT_NAME_MAX) == 0))
         {
             rt_hw_interrupt_enable(level);
             return netdev;
diff --git a/components/net/netdev/src/netdev_ipaddr.c b/components/net/netdev/src/netdev_ipaddr.c
index a70a90bb75..9abb41bd14 100644
--- a/components/net/netdev/src/netdev_ipaddr.c
+++ b/components/net/netdev/src/netdev_ipaddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *