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sysctl: simplify ->strategy

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name and nlen parameters passed to ->strategy hook are unused, remove
them.  In general ->strategy hook should know what it's doing, and don't
do something tricky for which, say, pointer to original userspace array
may be needed (name).

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net> [ networking bits ]
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2008-10-16 11:21:47 -07:00
committed by Linus Torvalds
parent f40cbaa5b0
commit f221e726bf
16 changed files with 56 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/decnet/dn_dev.c
+2 -2
View File
@@ -166,7 +166,7 @@ static int max_priority[] = { 127 }; /* From DECnet spec */
static int dn_forwarding_proc(ctl_table *, int, struct file *,
void __user *, size_t *, loff_t *);
static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen,
static int dn_forwarding_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen);
@@ -318,7 +318,7 @@ static int dn_forwarding_proc(ctl_table *table, int write,
#endif
}
static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen,
static int dn_forwarding_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
net/decnet/sysctl_net_decnet.c
+2 -2
View File
@@ -132,7 +132,7 @@ static int parse_addr(__le16 *addr, char *str)
}
static int dn_node_address_strategy(ctl_table *table, int __user *name, int nlen,
static int dn_node_address_strategy(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
@@ -217,7 +217,7 @@ static int dn_node_address_handler(ctl_table *table, int write,
}
static int dn_def_dev_strategy(ctl_table *table, int __user *name, int nlen,
static int dn_def_dev_strategy(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
net/ipv4/devinet.c
+3 -4
View File
@@ -1283,7 +1283,7 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
return ret;
}
static int devinet_conf_sysctl(ctl_table *table, int __user *name, int nlen,
static int devinet_conf_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
@@ -1379,12 +1379,11 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write,
return ret;
}
int ipv4_doint_and_flush_strategy(ctl_table *table, int __user *name, int nlen,
int ipv4_doint_and_flush_strategy(ctl_table *table,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
int ret = devinet_conf_sysctl(table, name, nlen, oldval, oldlenp,
newval, newlen);
int ret = devinet_conf_sysctl(table, oldval, oldlenp, newval, newlen);
struct net *net = table->extra2;
if (ret == 1)
net/ipv4/route.c
+1 -6
View File
@@ -2908,8 +2908,6 @@ static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write,
}
static int ipv4_sysctl_rtcache_flush_strategy(ctl_table *table,
int __user *name,
int nlen,
void __user *oldval,
size_t __user *oldlenp,
void __user *newval,
@@ -2972,16 +2970,13 @@ static int ipv4_sysctl_rt_secret_interval(ctl_table *ctl, int write,
}
static int ipv4_sysctl_rt_secret_interval_strategy(ctl_table *table,
int __user *name,
int nlen,
void __user *oldval,
size_t __user *oldlenp,
void __user *newval,
size_t newlen)
{
int old = ip_rt_secret_interval;
int ret = sysctl_jiffies(table, name, nlen, oldval, oldlenp, newval,
newlen);
int ret = sysctl_jiffies(table, oldval, oldlenp, newval, newlen);
rt_secret_reschedule(old);
net/ipv4/sysctl_net_ipv4.c
+9 -9
View File
@@ -64,8 +64,8 @@ static int ipv4_local_port_range(ctl_table *table, int write, struct file *filp,
}
/* Validate changes from sysctl interface. */
static int ipv4_sysctl_local_port_range(ctl_table *table, int __user *name,
int nlen, void __user *oldval,
static int ipv4_sysctl_local_port_range(ctl_table *table,
void __user *oldval,
size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
@@ -80,7 +80,7 @@ static int ipv4_sysctl_local_port_range(ctl_table *table, int __user *name,
};
inet_get_local_port_range(range, range + 1);
ret = sysctl_intvec(&tmp, name, nlen, oldval, oldlenp, newval, newlen);
ret = sysctl_intvec(&tmp, oldval, oldlenp, newval, newlen);
if (ret == 0 && newval && newlen) {
if (range[1] < range[0])
ret = -EINVAL;
@@ -109,8 +109,8 @@ static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file *
return ret;
}
static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name,
int nlen, void __user *oldval,
static int sysctl_tcp_congestion_control(ctl_table *table,
void __user *oldval,
size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
@@ -122,7 +122,7 @@ static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name,
int ret;
tcp_get_default_congestion_control(val);
ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen);
ret = sysctl_string(&tbl, oldval, oldlenp, newval, newlen);
if (ret == 1 && newval && newlen)
ret = tcp_set_default_congestion_control(val);
return ret;
@@ -165,8 +165,8 @@ static int proc_allowed_congestion_control(ctl_table *ctl,
return ret;
}
static int strategy_allowed_congestion_control(ctl_table *table, int __user *name,
int nlen, void __user *oldval,
static int strategy_allowed_congestion_control(ctl_table *table,
void __user *oldval,
size_t __user *oldlenp,
void __user *newval,
size_t newlen)
@@ -179,7 +179,7 @@ static int strategy_allowed_congestion_control(ctl_table *table, int __user *nam
return -ENOMEM;
tcp_get_available_congestion_control(tbl.data, tbl.maxlen);
ret = sysctl_string(&tbl, name, nlen, oldval, oldlenp, newval, newlen);
ret = sysctl_string(&tbl, oldval, oldlenp, newval, newlen);
if (ret == 1 && newval && newlen)
ret = tcp_set_allowed_congestion_control(tbl.data);
kfree(tbl.data);
net/ipv6/addrconf.c
-1
View File
@@ -3982,7 +3982,6 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write, struct file * filp,
}
static int addrconf_sysctl_forward_strategy(ctl_table *table,
int __user *name, int nlen,
void __user *oldval,
size_t __user *oldlenp,
void __user *newval, size_t newlen)
net/ipv6/ndisc.c
+4 -7
View File
@@ -1730,9 +1730,8 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f
return ret;
}
int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
int nlen, void __user *oldval,
size_t __user *oldlenp,
int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl,
void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
{
struct net_device *dev = ctl->extra1;
@@ -1745,13 +1744,11 @@ int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
switch (ctl->ctl_name) {
case NET_NEIGH_REACHABLE_TIME:
ret = sysctl_jiffies(ctl, name, nlen,
oldval, oldlenp, newval, newlen);
ret = sysctl_jiffies(ctl, oldval, oldlenp, newval, newlen);
break;
case NET_NEIGH_RETRANS_TIME_MS:
case NET_NEIGH_REACHABLE_TIME_MS:
ret = sysctl_ms_jiffies(ctl, name, nlen,
oldval, oldlenp, newval, newlen);
ret = sysctl_ms_jiffies(ctl, oldval, oldlenp, newval, newlen);
break;
default:
ret = 0;