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* [PATCH -next] sunrpc: use kmemdup_nul() in gssp_stringify()
@ 2020-05-08 12:40 Chen Zhou
  2020-06-08 15:25 ` J. Bruce Fields
  0 siblings, 1 reply; 2+ messages in thread
From: Chen Zhou @ 2020-05-08 12:40 UTC (permalink / raw)
  To: trond.myklebust, anna.schumaker, bfields, chuck.lever, davem, kuba
  Cc: linux-nfs, netdev, linux-kernel, chenzhou10

It is more efficient to use kmemdup_nul() if the size is known exactly
.

According to doc:
"Note: Use kmemdup_nul() instead if the size is known exactly."

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
 net/sunrpc/auth_gss/gss_rpc_upcall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/auth_gss/gss_rpc_upcall.c b/net/sunrpc/auth_gss/gss_rpc_upcall.c
index 0349f455a862..af9c7f43859c 100644
--- a/net/sunrpc/auth_gss/gss_rpc_upcall.c
+++ b/net/sunrpc/auth_gss/gss_rpc_upcall.c
@@ -223,7 +223,7 @@ static int gssp_alloc_receive_pages(struct gssx_arg_accept_sec_context *arg)
 
 static char *gssp_stringify(struct xdr_netobj *netobj)
 {
-	return kstrndup(netobj->data, netobj->len, GFP_KERNEL);
+	return kmemdup_nul(netobj->data, netobj->len, GFP_KERNEL);
 }
 
 static void gssp_hostbased_service(char **principal)
-- 
2.20.1


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

* Re: [PATCH -next] sunrpc: use kmemdup_nul() in gssp_stringify()
  2020-05-08 12:40 [PATCH -next] sunrpc: use kmemdup_nul() in gssp_stringify() Chen Zhou
@ 2020-06-08 15:25 ` J. Bruce Fields
  0 siblings, 0 replies; 2+ messages in thread
From: J. Bruce Fields @ 2020-06-08 15:25 UTC (permalink / raw)
  To: Chen Zhou
  Cc: trond.myklebust, anna.schumaker, chuck.lever, davem, kuba,
	linux-nfs, netdev, linux-kernel

Thanks, applied.--b.

On Fri, May 08, 2020 at 08:40:00PM +0800, Chen Zhou wrote:
> It is more efficient to use kmemdup_nul() if the size is known exactly
> .
> 
> According to doc:
> "Note: Use kmemdup_nul() instead if the size is known exactly."
> 
> Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
> ---
>  net/sunrpc/auth_gss/gss_rpc_upcall.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sunrpc/auth_gss/gss_rpc_upcall.c b/net/sunrpc/auth_gss/gss_rpc_upcall.c
> index 0349f455a862..af9c7f43859c 100644
> --- a/net/sunrpc/auth_gss/gss_rpc_upcall.c
> +++ b/net/sunrpc/auth_gss/gss_rpc_upcall.c
> @@ -223,7 +223,7 @@ static int gssp_alloc_receive_pages(struct gssx_arg_accept_sec_context *arg)
>  
>  static char *gssp_stringify(struct xdr_netobj *netobj)
>  {
> -	return kstrndup(netobj->data, netobj->len, GFP_KERNEL);
> +	return kmemdup_nul(netobj->data, netobj->len, GFP_KERNEL);
>  }
>  
>  static void gssp_hostbased_service(char **principal)
> -- 
> 2.20.1

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

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