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* [PATCH] 9p/net/protocol.c: return -ENOMEM when kmalloc() failed
@ 2018-07-11  0:43 piaojun
  2018-07-11  1:25 ` jiangyiwen
  0 siblings, 1 reply; 2+ messages in thread
From: piaojun @ 2018-07-11  0:43 UTC (permalink / raw)
  To: akpm, ericvh, rminnich, lucho
  Cc: Linux Kernel Mailing List, v9fs-developer, Jiangyiwen

We should return -ENOMEM to upper user when kmalloc failed to indicate
accurate errno.

Signed-off-by: Jun Piao <piaojun@huawei.com>
---
 net/9p/protocol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 931ea00..4a1e1dd 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -156,7 +156,7 @@ static size_t pdu_write(struct p9_fcall *pdu, const void *data, size_t size)

 				*sptr = kmalloc(len + 1, GFP_NOFS);
 				if (*sptr == NULL) {
-					errcode = -EFAULT;
+					errcode = -ENOMEM;
 					break;
 				}
 				if (pdu_read(pdu, *sptr, len)) {
-- 

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] 9p/net/protocol.c: return -ENOMEM when kmalloc() failed
  2018-07-11  0:43 [PATCH] 9p/net/protocol.c: return -ENOMEM when kmalloc() failed piaojun
@ 2018-07-11  1:25 ` jiangyiwen
  0 siblings, 0 replies; 2+ messages in thread
From: jiangyiwen @ 2018-07-11  1:25 UTC (permalink / raw)
  To: piaojun, akpm, ericvh, rminnich, lucho
  Cc: Linux Kernel Mailing List, v9fs-developer

On 2018/7/11 8:43, piaojun wrote:
> We should return -ENOMEM to upper user when kmalloc failed to indicate
> accurate errno.
> 
> Signed-off-by: Jun Piao <piaojun@huawei.com>

Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>

> ---
>  net/9p/protocol.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/9p/protocol.c b/net/9p/protocol.c
> index 931ea00..4a1e1dd 100644
> --- a/net/9p/protocol.c
> +++ b/net/9p/protocol.c
> @@ -156,7 +156,7 @@ static size_t pdu_write(struct p9_fcall *pdu, const void *data, size_t size)
> 
>  				*sptr = kmalloc(len + 1, GFP_NOFS);
>  				if (*sptr == NULL) {
> -					errcode = -EFAULT;
> +					errcode = -ENOMEM;
>  					break;
>  				}
>  				if (pdu_read(pdu, *sptr, len)) {
> 



^ permalink raw reply	[flat|nested] 2+ messages in thread

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