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Diffstat (limited to 'net/ethtool/ioctl.c')
-rw-r--r--net/ethtool/ioctl.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 999e2a6bed13..bf6e8c2f9bf7 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -89,7 +89,8 @@ static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
return -EFAULT;
useraddr += sizeof(cmd);
- if (copy_to_user(useraddr, features, copy_size * sizeof(*features)))
+ if (copy_to_user(useraddr, features,
+ array_size(copy_size, sizeof(*features))))
return -EFAULT;
return 0;
@@ -799,7 +800,7 @@ static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
goto out;
useraddr += offsetof(struct ethtool_sset_info, data);
- if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
+ if (copy_to_user(useraddr, info_buf, array_size(idx, sizeof(u32))))
goto out;
ret = 0;
@@ -1022,7 +1023,7 @@ static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
{
int i;
- if (copy_from_user(indir, useraddr, size * sizeof(indir[0])))
+ if (copy_from_user(indir, useraddr, array_size(size, sizeof(indir[0]))))
return -EFAULT;
/* Validate ring indices */
@@ -1895,7 +1896,7 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
if (copy_to_user(useraddr, &test, sizeof(test)))
goto out;
useraddr += sizeof(test);
- if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
+ if (copy_to_user(useraddr, data, array_size(test.len, sizeof(u64))))
goto out;
ret = 0;
@@ -1937,7 +1938,8 @@ static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
goto out;
useraddr += sizeof(gstrings);
if (gstrings.len &&
- copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
+ copy_to_user(useraddr, data,
+ array_size(gstrings.len, ETH_GSTRING_LEN)))
goto out;
ret = 0;