From d837ed3e9d072bd15c4e7fc42b9db9b137040f15 Mon Sep 17 00:00:00 2001
From: arvinzzz <zhaotianyu9@huawei.com>
Date: Fri, 17 Jun 2022 16:54:51 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20ping=E5=91=BD=E4=BB=A4=E5=86=85=E8=AE=BF?=
 =?UTF-8?q?=E9=97=AE=E9=87=8E=E6=8C=87=E9=92=88=E5=8F=8A=E5=86=85=E5=AD=98?=
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Signed-off-by: arvinzzz <zhaotianyu9@huawei.com>
---
 components/net/lwip-2.1/porting/src/api_shell.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/net/lwip-2.1/porting/src/api_shell.c b/components/net/lwip-2.1/porting/src/api_shell.c
index 0df1b901..4869ca60 100644
--- a/components/net/lwip-2.1/porting/src/api_shell.c
+++ b/components/net/lwip-2.1/porting/src/api_shell.c
@@ -588,7 +588,6 @@ u32_t OsShellPing(int argc, const char **argv)
         stPingTask.uwArg = (UINTPTR)parg;
         ret = LOS_TaskCreate((UINT32 *)(&ping_taskid), &stPingTask);
         if (ret != LOS_OK) {
-            free(parg);
             PRINTK("ping_task create failed 0x%08x.\n", ret);
             count = LWIP_SHELL_CMD_PING_RETRY_TIMES;
         } else {
@@ -604,6 +603,8 @@ u32_t OsShellPing(int argc, const char **argv)
         PRINTK("Ping cmd failed due some errors\n");
     }
 
+    free(parg);
+
     return LOS_OK;
 ping_error:
     lwip_ping_usage();