From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/net/ethtool/ioctl.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/net/ethtool/ioctl.c b/kernel/net/ethtool/ioctl.c
index 80d2a00..12bf740 100644
--- a/kernel/net/ethtool/ioctl.c
+++ b/kernel/net/ethtool/ioctl.c
@@ -1966,7 +1966,8 @@
} else {
/* Driver expects to be called at twice the frequency in rc */
int n = rc * 2, interval = HZ / n;
- u64 count = n * id.data, i = 0;
+ u64 count = mul_u32_u32(n, id.data);
+ u64 i = 0;
do {
rtnl_lock();
@@ -2051,7 +2052,8 @@
return n_stats;
if (n_stats > S32_MAX / sizeof(u64))
return -ENOMEM;
- WARN_ON_ONCE(!n_stats);
+ if (WARN_ON_ONCE(!n_stats))
+ return -EOPNOTSUPP;
if (copy_from_user(&stats, useraddr, sizeof(stats)))
return -EFAULT;
--
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