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Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/socket.c b/net/socket.c
index 01f3f8f32d6f..390a8ecef4bf 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2875,9 +2875,14 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
copy_in_user(&rxnfc->fs.ring_cookie,
&compat_rxnfc->fs.ring_cookie,
(void __user *)(&rxnfc->fs.location + 1) -
- (void __user *)&rxnfc->fs.ring_cookie) ||
- copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt,
- sizeof(rxnfc->rule_cnt)))
+ (void __user *)&rxnfc->fs.ring_cookie))
+ return -EFAULT;
+ if (ethcmd == ETHTOOL_GRXCLSRLALL) {
+ if (put_user(rule_cnt, &rxnfc->rule_cnt))
+ return -EFAULT;
+ } else if (copy_in_user(&rxnfc->rule_cnt,
+ &compat_rxnfc->rule_cnt,
+ sizeof(rxnfc->rule_cnt)))
return -EFAULT;
}