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* [PATCH net-next] net: ngbe: Variables need to be initialized
@ 2022-10-09  7:09 Mengyuan Lou
  2022-10-11  0:44 ` Jakub Kicinski
  0 siblings, 1 reply; 2+ messages in thread
From: Mengyuan Lou @ 2022-10-09  7:09 UTC (permalink / raw)
  To: netdev; +Cc: jiawenwu, Mengyuan Lou

Variables need to be initialized in ngbe_shutdown()
Fix: commit <e79e40c83b9f> ("net: ngbe: Add build support for ngbe")

Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
---
 drivers/net/ethernet/wangxun/ngbe/ngbe_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
index 7674cb6e5700..f754e53eb852 100644
--- a/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
+++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
@@ -46,7 +46,7 @@ static void ngbe_dev_shutdown(struct pci_dev *pdev, bool *enable_wake)
 
 static void ngbe_shutdown(struct pci_dev *pdev)
 {
-	bool wake;
+	bool wake = false;
 
 	ngbe_dev_shutdown(pdev, &wake);
 
-- 
2.37.3


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

* Re: [PATCH net-next] net: ngbe: Variables need to be initialized
  2022-10-09  7:09 [PATCH net-next] net: ngbe: Variables need to be initialized Mengyuan Lou
@ 2022-10-11  0:44 ` Jakub Kicinski
  0 siblings, 0 replies; 2+ messages in thread
From: Jakub Kicinski @ 2022-10-11  0:44 UTC (permalink / raw)
  To: Mengyuan Lou; +Cc: netdev, jiawenwu

On Sun,  9 Oct 2022 15:09:12 +0800 Mengyuan Lou wrote:
> Variables need to be initialized in ngbe_shutdown()
> Fix: commit <e79e40c83b9f> ("net: ngbe: Add build support for ngbe")

Please look at the git history to find out what the correct form is for
the Fixes tag.

> Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
> ---
>  drivers/net/ethernet/wangxun/ngbe/ngbe_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
> index 7674cb6e5700..f754e53eb852 100644
> --- a/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
> +++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
> @@ -46,7 +46,7 @@ static void ngbe_dev_shutdown(struct pci_dev *pdev, bool *enable_wake)
>  
>  static void ngbe_shutdown(struct pci_dev *pdev)
>  {
> -	bool wake;
> +	bool wake = false;
>  
>  	ngbe_dev_shutdown(pdev, &wake);

The callee should make sure to always write to the variable, caller
init is a worse fix.

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

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