public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
@ 2024-06-05  3:47 Su Hui
  2024-06-05  4:05 ` Przemek Kitszel
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Su Hui @ 2024-06-05  3:47 UTC (permalink / raw)
  To: davem, edumazet, kuba, pabeni, nathan, ndesaulniers, morbo,
	justinstitt
  Cc: Su Hui, andrew, ahmed.zaki, hkallweit1, justin.chen, jdamato,
	gerhard, d-tatianin, netdev, linux-kernel, llvm, kernel-janitors

Clang static checker (scan-build) warning:
net/ethtool/ioctl.c:line 2233, column 2
Called function pointer is null (null dereference).

Return '-EOPNOTSUPP' when 'ops->get_ethtool_phy_stats' is NULL to fix
this typo error.

Fixes: 201ed315f967 ("net/ethtool/ioctl: split ethtool_get_phy_stats into multiple helpers")
Signed-off-by: Su Hui <suhui@nfschina.com>
---
 net/ethtool/ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 5a55270aa86e..e645d751a5e8 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -2220,7 +2220,7 @@ static int ethtool_get_phy_stats_ethtool(struct net_device *dev,
 	const struct ethtool_ops *ops = dev->ethtool_ops;
 	int n_stats, ret;
 
-	if (!ops || !ops->get_sset_count || ops->get_ethtool_phy_stats)
+	if (!ops || !ops->get_sset_count || !ops->get_ethtool_phy_stats)
 		return -EOPNOTSUPP;
 
 	n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS);
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
  2024-06-05  3:47 [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool() Su Hui
@ 2024-06-05  4:05 ` Przemek Kitszel
  2024-06-05  7:00 ` Hariprasad Kelam
  2024-06-06 11:40 ` [PATCH net] " patchwork-bot+netdevbpf
  2 siblings, 0 replies; 4+ messages in thread
From: Przemek Kitszel @ 2024-06-05  4:05 UTC (permalink / raw)
  To: Su Hui, davem, edumazet, kuba, pabeni, nathan, ndesaulniers,
	morbo, justinstitt
  Cc: andrew, ahmed.zaki, hkallweit1, justin.chen, jdamato, gerhard,
	d-tatianin, netdev, linux-kernel, llvm, kernel-janitors

On 6/5/24 05:47, Su Hui wrote:
> Clang static checker (scan-build) warning:
> net/ethtool/ioctl.c:line 2233, column 2
> Called function pointer is null (null dereference).
> 
> Return '-EOPNOTSUPP' when 'ops->get_ethtool_phy_stats' is NULL to fix
> this typo error.
> 
> Fixes: 201ed315f967 ("net/ethtool/ioctl: split ethtool_get_phy_stats into multiple helpers")
> Signed-off-by: Su Hui <suhui@nfschina.com>
> ---
>   net/ethtool/ioctl.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
> index 5a55270aa86e..e645d751a5e8 100644
> --- a/net/ethtool/ioctl.c
> +++ b/net/ethtool/ioctl.c
> @@ -2220,7 +2220,7 @@ static int ethtool_get_phy_stats_ethtool(struct net_device *dev,
>   	const struct ethtool_ops *ops = dev->ethtool_ops;
>   	int n_stats, ret;
>   
> -	if (!ops || !ops->get_sset_count || ops->get_ethtool_phy_stats)
> +	if (!ops || !ops->get_sset_count || !ops->get_ethtool_phy_stats)
>   		return -EOPNOTSUPP;
>   
>   	n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS);

Thank you,
both the change and provided Fixes tag are correct.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
  2024-06-05  3:47 [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool() Su Hui
  2024-06-05  4:05 ` Przemek Kitszel
@ 2024-06-05  7:00 ` Hariprasad Kelam
  2024-06-06 11:40 ` [PATCH net] " patchwork-bot+netdevbpf
  2 siblings, 0 replies; 4+ messages in thread
From: Hariprasad Kelam @ 2024-06-05  7:00 UTC (permalink / raw)
  To: Su Hui, davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, nathan@kernel.org, ndesaulniers@google.com,
	morbo@google.com, justinstitt@google.com
  Cc: andrew@lunn.ch, ahmed.zaki@intel.com, hkallweit1@gmail.com,
	justin.chen@broadcom.com, jdamato@fastly.com,
	gerhard@engleder-embedded.com, d-tatianin@yandex-team.ru,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev, kernel-janitors@vger.kernel.org


> Clang static checker (scan-build) warning:
> net/ethtool/ioctl.c:line 2233, column 2
> Called function pointer is null (null dereference).
> 
> Return '-EOPNOTSUPP' when 'ops->get_ethtool_phy_stats' is NULL to fix this
> typo error.
> 
> Fixes: 201ed315f967 ("net/ethtool/ioctl: split ethtool_get_phy_stats into
> multiple helpers")
> Signed-off-by: Su Hui <suhui@nfschina.com>
> ---
>  net/ethtool/ioctl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index
> 5a55270aa86e..e645d751a5e8 100644
> --- a/net/ethtool/ioctl.c
> +++ b/net/ethtool/ioctl.c
> @@ -2220,7 +2220,7 @@ static int ethtool_get_phy_stats_ethtool(struct
> net_device *dev,
>  	const struct ethtool_ops *ops = dev->ethtool_ops;
>  	int n_stats, ret;
> 
> -	if (!ops || !ops->get_sset_count || ops->get_ethtool_phy_stats)
> +	if (!ops || !ops->get_sset_count || !ops->get_ethtool_phy_stats)
>  		return -EOPNOTSUPP;
> 
>  	n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS);
> --
> 2.30.2
> 
Good catch!!

Reviewed-by: Hariprasad Kelam <hkelam@marvell.com>


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
  2024-06-05  3:47 [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool() Su Hui
  2024-06-05  4:05 ` Przemek Kitszel
  2024-06-05  7:00 ` Hariprasad Kelam
@ 2024-06-06 11:40 ` patchwork-bot+netdevbpf
  2 siblings, 0 replies; 4+ messages in thread
From: patchwork-bot+netdevbpf @ 2024-06-06 11:40 UTC (permalink / raw)
  To: Su Hui
  Cc: davem, edumazet, kuba, pabeni, nathan, ndesaulniers, morbo,
	justinstitt, andrew, ahmed.zaki, hkallweit1, justin.chen, jdamato,
	gerhard, d-tatianin, netdev, linux-kernel, llvm, kernel-janitors

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Wed,  5 Jun 2024 11:47:43 +0800 you wrote:
> Clang static checker (scan-build) warning:
> net/ethtool/ioctl.c:line 2233, column 2
> Called function pointer is null (null dereference).
> 
> Return '-EOPNOTSUPP' when 'ops->get_ethtool_phy_stats' is NULL to fix
> this typo error.
> 
> [...]

Here is the summary with links:
  - [net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
    https://git.kernel.org/netdev/net/c/0dcc53abf58d

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2024-06-06 11:40 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-06-05  3:47 [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool() Su Hui
2024-06-05  4:05 ` Przemek Kitszel
2024-06-05  7:00 ` Hariprasad Kelam
2024-06-06 11:40 ` [PATCH net] " patchwork-bot+netdevbpf

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox