diff mbox series

答复: [PATCH net-next] tipc: Return the correct errno code

Message ID 7b100c7c3a7c4c658374164cb848d8e6@huawei.com
State New
Headers show
Series 答复: [PATCH net-next] tipc: Return the correct errno code | expand

Commit Message

Zheng Yongjun June 4, 2021, 1:34 a.m. UTC
Sorry, this patch is wrong, please ignore it, thanks :)

-----邮件原件-----
发件人: zhengyongjun 
发送时间: 2021年6月4日 9:47
收件人: jmaloy@redhat.com; ying.xue@windriver.com; davem@davemloft.net; kuba@kernel.org; netdev@vger.kernel.org; tipc-discussion@lists.sourceforge.net; linux-kernel@vger.kernel.org
抄送: zhengyongjun <zhengyongjun3@huawei.com>
主题: [PATCH net-next] tipc: Return the correct errno code

When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>

---
 net/tipc/link.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--
2.25.1

Comments

Hoang Le Aug. 2, 2021, 8:02 a.m. UTC | #1
Hi Zheng,

The patch was being merged by accident. Will have you planning to revert it?
We need to do ASAP since calling path tipc_node_xmit() -> tipc_link_xmit() broken as side effect.

Thanks,
hoang
> -----Original Message-----

> From: zhengyongjun <zhengyongjun3@huawei.com>

> Sent: Friday, June 4, 2021 8:35 AM

> To: jmaloy@redhat.com; ying.xue@windriver.com; davem@davemloft.net; kuba@kernel.org; netdev@vger.kernel.org; tipc-

> discussion@lists.sourceforge.net; linux-kernel@vger.kernel.org

> Subject: 答复: [PATCH net-next] tipc: Return the correct errno code

> 

> Sorry, this patch is wrong, please ignore it, thanks :)

> 

> -----邮件原件-----

> 发件人: zhengyongjun

> 发送时间: 2021年6月4日 9:47

> 收件人: jmaloy@redhat.com; ying.xue@windriver.com; davem@davemloft.net; kuba@kernel.org; netdev@vger.kernel.org; tipc-

> discussion@lists.sourceforge.net; linux-kernel@vger.kernel.org

> 抄送: zhengyongjun <zhengyongjun3@huawei.com>

> 主题: [PATCH net-next] tipc: Return the correct errno code

> 

> When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

> 

> Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>

> ---

>  net/tipc/link.c | 6 +++---

>  1 file changed, 3 insertions(+), 3 deletions(-)

> 

> diff --git a/net/tipc/link.c b/net/tipc/link.c index c44b4bfaaee6..5b6181277cc5 100644

> --- a/net/tipc/link.c

> +++ b/net/tipc/link.c

> @@ -912,7 +912,7 @@ static int link_schedule_user(struct tipc_link *l, struct tipc_msg *hdr)

>  	skb = tipc_msg_create(SOCK_WAKEUP, 0, INT_H_SIZE, 0,

>  			      dnode, l->addr, dport, 0, 0);

>  	if (!skb)

> -		return -ENOBUFS;

> +		return -ENOMEM;

>  	msg_set_dest_droppable(buf_msg(skb), true);

>  	TIPC_SKB_CB(skb)->chain_imp = msg_importance(hdr);

>  	skb_queue_tail(&l->wakeupq, skb);

> @@ -1030,7 +1030,7 @@ void tipc_link_reset(struct tipc_link *l)

>   *

>   * Consumes the buffer chain.

>   * Messages at TIPC_SYSTEM_IMPORTANCE are always accepted

> - * Return: 0 if success, or errno: -ELINKCONG, -EMSGSIZE or -ENOBUFS

> + * Return: 0 if success, or errno: -ELINKCONG, -EMSGSIZE or -ENOBUFS or

> + -ENOMEM

>   */

>  int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,

>  		   struct sk_buff_head *xmitq)

> @@ -1088,7 +1088,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,

>  			if (!_skb) {

>  				kfree_skb(skb);

>  				__skb_queue_purge(list);

> -				return -ENOBUFS;

> +				return -ENOMEM;

>  			}

>  			__skb_queue_tail(transmq, skb);

>  			tipc_link_set_skb_retransmit_time(skb, l);

> --

> 2.25.1
diff mbox series

Patch

diff --git a/net/tipc/link.c b/net/tipc/link.c index c44b4bfaaee6..5b6181277cc5 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -912,7 +912,7 @@  static int link_schedule_user(struct tipc_link *l, struct tipc_msg *hdr)
 	skb = tipc_msg_create(SOCK_WAKEUP, 0, INT_H_SIZE, 0,
 			      dnode, l->addr, dport, 0, 0);
 	if (!skb)
-		return -ENOBUFS;
+		return -ENOMEM;
 	msg_set_dest_droppable(buf_msg(skb), true);
 	TIPC_SKB_CB(skb)->chain_imp = msg_importance(hdr);
 	skb_queue_tail(&l->wakeupq, skb);
@@ -1030,7 +1030,7 @@  void tipc_link_reset(struct tipc_link *l)
  *
  * Consumes the buffer chain.
  * Messages at TIPC_SYSTEM_IMPORTANCE are always accepted
- * Return: 0 if success, or errno: -ELINKCONG, -EMSGSIZE or -ENOBUFS
+ * Return: 0 if success, or errno: -ELINKCONG, -EMSGSIZE or -ENOBUFS or 
+ -ENOMEM
  */
 int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
 		   struct sk_buff_head *xmitq)
@@ -1088,7 +1088,7 @@  int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
 			if (!_skb) {
 				kfree_skb(skb);
 				__skb_queue_purge(list);
-				return -ENOBUFS;
+				return -ENOMEM;
 			}
 			__skb_queue_tail(transmq, skb);
 			tipc_link_set_skb_retransmit_time(skb, l);