[add] uart Close decision

2026-05-20 11:01:38 -07:00 · 2024-05-24 17:20:04 +08:00
parent b67467c26c
commit 14a86d288f
1 changed files with 1 additions and 1 deletions
@@ -175,7 +175,7 @@ int linux_uart_init(char* dev, void* param)
 void linux_uart_deinit(int fd)
 {
    int res;
-
+    if(fd <= 0) return;
    res = close(fd);
    if (res < 0)
        fprintf(stderr, "uart close fd(%d) err:%s\n", fd, strerror(errno));