修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/firmware/tegra/bpmp-debugfs.c
..
..
@@ -77,13 +77,14 @@
77
77
 	const char *root_path, *filename = NULL;
78
78
 	char *root_path_buf;
79
79
 	size_t root_len;
80
+	size_t root_path_buf_len = 512;
80
81
 
81
-	root_path_buf = kzalloc(512, GFP_KERNEL);
82
+	root_path_buf = kzalloc(root_path_buf_len, GFP_KERNEL);
82
83
 	if (!root_path_buf)
83
84
 		goto out;
84
85
 
85
86
 	root_path = dentry_path(bpmp->debugfs_mirror, root_path_buf,
86
-				sizeof(root_path_buf));
87
+				root_path_buf_len);
87
88
 	if (IS_ERR(root_path))
88
89
 		goto out;
89
90