Add null pointer check in at_client_get

2023-11-10 00:42:03 +08:00
parent 5d03067a3f
commit 06edda3586
1 changed files with 2 additions and 1 deletions
--- a/components/net/at/src/at_client.c
+++ b/components/net/at/src/at_client.c
@ -610,7 +610,8 @@ at_client_t at_client_get(const char *dev_name)

    for (idx = 0; idx < AT_CLIENT_NUM_MAX; idx++)
    {
-        if (rt_strcmp(at_client_table[idx].device->parent.name, dev_name) == 0)
+        if (at_client_table[idx].device && \
+            (rt_strcmp(at_client_table[idx].device->parent.name, dev_name) == 0))
        {
            return &at_client_table[idx];
        }