Re: [PATCH net] net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()

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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@xxxxxxxxxxxx>
---
  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@xxxxxxxxx>




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