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ethtool: fix sparse warning 

Fixes sparse complaints about dropping __user in casts.
 warning: cast removes address space of expression

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2013-02-11 06:22:28 +00:00 committed by David S. Miller
parent b2748267d6
commit 954b124453
1 changed files with 9 additions and 9 deletions
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18
net/socket.c
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@ -2837,7 +2837,7 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
} }
ifr = compat_alloc_user_space(buf_size); ifr = compat_alloc_user_space(buf_size);
rxnfc = (void *)ifr + ALIGN(sizeof(struct ifreq), 8); rxnfc = (void __user *)ifr + ALIGN(sizeof(struct ifreq), 8);
if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ)) if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
return -EFAULT; return -EFAULT;
@ -2861,12 +2861,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
offsetof(struct ethtool_rxnfc, fs.ring_cookie)); offsetof(struct ethtool_rxnfc, fs.ring_cookie));
if (copy_in_user(rxnfc, compat_rxnfc, if (copy_in_user(rxnfc, compat_rxnfc,
(void *)(&rxnfc->fs.m_ext + 1) - (void __user *)(&rxnfc->fs.m_ext + 1) -
(void *)rxnfc) || (void __user *)rxnfc) ||
copy_in_user(&rxnfc->fs.ring_cookie, copy_in_user(&rxnfc->fs.ring_cookie,
&compat_rxnfc->fs.ring_cookie, &compat_rxnfc->fs.ring_cookie,
(void *)(&rxnfc->fs.location + 1) - (void __user *)(&rxnfc->fs.location + 1) -
(void *)&rxnfc->fs.ring_cookie) || (void __user *)&rxnfc->fs.ring_cookie) ||
copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt, copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt,
sizeof(rxnfc->rule_cnt))) sizeof(rxnfc->rule_cnt)))
return -EFAULT; return -EFAULT;
@ -2878,12 +2878,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
if (convert_out) { if (convert_out) {
if (copy_in_user(compat_rxnfc, rxnfc, if (copy_in_user(compat_rxnfc, rxnfc,
(const void *)(&rxnfc->fs.m_ext + 1) - (const void __user *)(&rxnfc->fs.m_ext + 1) -
(const void *)rxnfc) || (const void __user *)rxnfc) ||
copy_in_user(&compat_rxnfc->fs.ring_cookie, copy_in_user(&compat_rxnfc->fs.ring_cookie,
&rxnfc->fs.ring_cookie, &rxnfc->fs.ring_cookie,
(const void *)(&rxnfc->fs.location + 1) - (const void __user *)(&rxnfc->fs.location + 1) -
(const void *)&rxnfc->fs.ring_cookie) || (const void __user *)&rxnfc->fs.ring_cookie) ||
copy_in_user(&compat_rxnfc->rule_cnt, &rxnfc->rule_cnt, copy_in_user(&compat_rxnfc->rule_cnt, &rxnfc->rule_cnt,
sizeof(rxnfc->rule_cnt))) sizeof(rxnfc->rule_cnt)))
return -EFAULT; return -EFAULT;