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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 2008-10-15 22:04:23 -07:00 committed by Linus Torvalds
parent f40cbaa5b0
commit f221e726bf
16 changed files with 56 additions and 73 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
arch/frv/kernel/pm.c
View file

@ -211,7 +211,7 @@ static int cmode_procctl(ctl_table *ctl, int write, struct file *filp,
return try_set_cmode(new_cmode)?:*lenp; return try_set_cmode(new_cmode)?:*lenp;
} }
static int cmode_sysctl(ctl_table *table, int __user *name, int nlen, static int cmode_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -314,7 +314,7 @@ static int p0_procctl(ctl_table *ctl, int write, struct file *filp,
return try_set_p0(new_p0)?:*lenp; return try_set_p0(new_p0)?:*lenp;
} }
static int p0_sysctl(ctl_table *table, int __user *name, int nlen, static int p0_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -358,7 +358,7 @@ static int cm_procctl(ctl_table *ctl, int write, struct file *filp,
return try_set_cm(new_cm)?:*lenp; return try_set_cm(new_cm)?:*lenp;
} }
static int cm_sysctl(ctl_table *table, int __user *name, int nlen, static int cm_sysctl(ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {

17
arch/mips/lasat/sysctl.c
View file

@ -38,14 +38,13 @@
#endif #endif
/* Strategy function to write EEPROM after changing string entry */ /* Strategy function to write EEPROM after changing string entry */
int sysctl_lasatstring(ctl_table *table, int *name, int nlen, int sysctl_lasatstring(ctl_table *table,
void *oldval, size_t *oldlenp, void *oldval, size_t *oldlenp,
void *newval, size_t newlen) void *newval, size_t newlen)
{ {
int r; int r;
r = sysctl_string(table, name, r = sysctl_string(table, oldval, oldlenp, newval, newlen);
nlen, oldval, oldlenp, newval, newlen);
if (r < 0) if (r < 0)
return r; return r;
@ -113,13 +112,13 @@ int proc_dolasatrtc(ctl_table *table, int write, struct file *filp,
#endif #endif
/* Sysctl for setting the IP addresses */ /* Sysctl for setting the IP addresses */
int sysctl_lasat_intvec(ctl_table *table, int *name, int nlen, int sysctl_lasat_intvec(ctl_table *table,
void *oldval, size_t *oldlenp, void *oldval, size_t *oldlenp,
void *newval, size_t newlen) void *newval, size_t newlen)
{ {
int r; int r;
r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen); r = sysctl_intvec(table, oldval, oldlenp, newval, newlen);
if (r < 0) if (r < 0)
return r; return r;
@ -131,7 +130,7 @@ int sysctl_lasat_intvec(ctl_table *table, int *name, int nlen,
#ifdef CONFIG_DS1603 #ifdef CONFIG_DS1603
/* Same for RTC */ /* Same for RTC */
int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen, int sysctl_lasat_rtc(ctl_table *table,
void *oldval, size_t *oldlenp, void *oldval, size_t *oldlenp,
void *newval, size_t newlen) void *newval, size_t newlen)
{ {
@ -140,7 +139,7 @@ int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen,
rtctmp = read_persistent_clock(); rtctmp = read_persistent_clock();
if (rtctmp < 0) if (rtctmp < 0)
rtctmp = 0; rtctmp = 0;
r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen); r = sysctl_intvec(table, oldval, oldlenp, newval, newlen);
if (r < 0) if (r < 0)
return r; return r;
if (newval && newlen) if (newval && newlen)
@ -211,13 +210,13 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
} }
#endif #endif
static int sysctl_lasat_prid(ctl_table *table, int *name, int nlen, static int sysctl_lasat_prid(ctl_table *table,
void *oldval, size_t *oldlenp, void *oldval, size_t *oldlenp,
void *newval, size_t newlen) void *newval, size_t newlen)
{ {
int r; int r;
r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen); r = sysctl_intvec(table, oldval, oldlenp, newval, newlen);
if (r < 0) if (r < 0)
return r; return r;
if (newval && newlen) { if (newval && newlen) {

2
drivers/char/random.c
View file

@ -1205,7 +1205,7 @@ static int proc_do_uuid(ctl_table *table, int write, struct file *filp,
return proc_dostring(&fake_table, write, filp, buffer, lenp, ppos); return proc_dostring(&fake_table, write, filp, buffer, lenp, ppos);
} }
static int uuid_strategy(ctl_table *table, int __user *name, int nlen, static int uuid_strategy(ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {

2
include/linux/sysctl.h
View file

@ -972,7 +972,7 @@ extern int sysctl_perm(struct ctl_table_root *root,
typedef struct ctl_table ctl_table; typedef struct ctl_table ctl_table;
typedef int ctl_handler (struct ctl_table *table, int __user *name, int nlen, typedef int ctl_handler (struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen); void __user *newval, size_t newlen);

2
include/net/ip.h
View file

@ -396,7 +396,7 @@ extern void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 dport,
int ipv4_doint_and_flush(ctl_table *ctl, int write, int ipv4_doint_and_flush(ctl_table *ctl, int write,
struct file* filp, void __user *buffer, struct file* filp, void __user *buffer,
size_t *lenp, loff_t *ppos); size_t *lenp, loff_t *ppos);
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 *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen); void __user *newval, size_t newlen);
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS

5
include/net/ndisc.h
View file

@ -129,9 +129,8 @@ extern int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
void __user *buffer, void __user *buffer,
size_t *lenp, size_t *lenp,
loff_t *ppos); loff_t *ppos);
int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name, int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl,
int nlen, void __user *oldval, void __user *oldval, size_t __user *oldlenp,
size_t __user *oldlenp,
void __user *newval, size_t newlen); void __user *newval, size_t newlen);
#endif #endif

9
ipc/ipc_sysctl.c
View file

@ -131,7 +131,7 @@ static int proc_ipcauto_dointvec_minmax(ctl_table *table, int write,
#ifdef CONFIG_SYSCTL_SYSCALL #ifdef CONFIG_SYSCTL_SYSCALL
/* The generic sysctl ipc data routine. */ /* The generic sysctl ipc data routine. */
static int sysctl_ipc_data(ctl_table *table, int __user *name, int nlen, static int sysctl_ipc_data(ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -169,14 +169,13 @@ static int sysctl_ipc_data(ctl_table *table, int __user *name, int nlen,
return 1; return 1;
} }
static int sysctl_ipc_registered_data(ctl_table *table, int __user *name, static int sysctl_ipc_registered_data(ctl_table *table,
int nlen, void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
int rc; int rc;
rc = sysctl_ipc_data(table, name, nlen, oldval, oldlenp, newval, rc = sysctl_ipc_data(table, oldval, oldlenp, newval, newlen);
newlen);
if (newval && newlen && rc > 0) if (newval && newlen && rc > 0)
/* /*

29
kernel/sysctl.c
View file

@ -1500,7 +1500,6 @@ void register_sysctl_root(struct ctl_table_root *root)
/* Perform the actual read/write of a sysctl table entry. */ /* Perform the actual read/write of a sysctl table entry. */
static int do_sysctl_strategy(struct ctl_table_root *root, static int do_sysctl_strategy(struct ctl_table_root *root,
struct ctl_table *table, struct ctl_table *table,
int __user *name, int nlen,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -1514,8 +1513,7 @@ static int do_sysctl_strategy(struct ctl_table_root *root,
return -EPERM; return -EPERM;
if (table->strategy) { if (table->strategy) {
rc = table->strategy(table, name, nlen, oldval, oldlenp, rc = table->strategy(table, oldval, oldlenp, newval, newlen);
newval, newlen);
if (rc < 0) if (rc < 0)
return rc; return rc;
if (rc > 0) if (rc > 0)
@ -1525,8 +1523,7 @@ static int do_sysctl_strategy(struct ctl_table_root *root,
/* If there is no strategy routine, or if the strategy returns /* If there is no strategy routine, or if the strategy returns
* zero, proceed with automatic r/w */ * zero, proceed with automatic r/w */
if (table->data && table->maxlen) { if (table->data && table->maxlen) {
rc = sysctl_data(table, name, nlen, oldval, oldlenp, rc = sysctl_data(table, oldval, oldlenp, newval, newlen);
newval, newlen);
if (rc < 0) if (rc < 0)
return rc; return rc;
} }
@ -1558,7 +1555,7 @@ repeat:
table = table->child; table = table->child;
goto repeat; goto repeat;
} }
error = do_sysctl_strategy(root, table, name, nlen, error = do_sysctl_strategy(root, table,
oldval, oldlenp, oldval, oldlenp,
newval, newlen); newval, newlen);
return error; return error;
@ -2707,7 +2704,7 @@ int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
*/ */
/* The generic sysctl data routine (used if no strategy routine supplied) */ /* The generic sysctl data routine (used if no strategy routine supplied) */
int sysctl_data(struct ctl_table *table, int __user *name, int nlen, int sysctl_data(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -2741,7 +2738,7 @@ int sysctl_data(struct ctl_table *table, int __user *name, int nlen,
} }
/* The generic string strategy routine: */ /* The generic string strategy routine: */
int sysctl_string(struct ctl_table *table, int __user *name, int nlen, int sysctl_string(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -2787,7 +2784,7 @@ int sysctl_string(struct ctl_table *table, int __user *name, int nlen,
* are between the minimum and maximum values given in the arrays * are between the minimum and maximum values given in the arrays
* table->extra1 and table->extra2, respectively. * table->extra1 and table->extra2, respectively.
*/ */
int sysctl_intvec(struct ctl_table *table, int __user *name, int nlen, int sysctl_intvec(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -2823,7 +2820,7 @@ int sysctl_intvec(struct ctl_table *table, int __user *name, int nlen,
} }
/* Strategy function to convert jiffies to seconds */ /* Strategy function to convert jiffies to seconds */
int sysctl_jiffies(struct ctl_table *table, int __user *name, int nlen, int sysctl_jiffies(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -2857,7 +2854,7 @@ int sysctl_jiffies(struct ctl_table *table, int __user *name, int nlen,
} }
/* Strategy function to convert jiffies to seconds */ /* Strategy function to convert jiffies to seconds */
int sysctl_ms_jiffies(struct ctl_table *table, int __user *name, int nlen, int sysctl_ms_jiffies(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -2912,35 +2909,35 @@ asmlinkage long sys_sysctl(struct __sysctl_args __user *args)
return error; return error;
} }
int sysctl_data(struct ctl_table *table, int __user *name, int nlen, int sysctl_data(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
return -ENOSYS; return -ENOSYS;
} }
int sysctl_string(struct ctl_table *table, int __user *name, int nlen, int sysctl_string(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
return -ENOSYS; return -ENOSYS;
} }
int sysctl_intvec(struct ctl_table *table, int __user *name, int nlen, int sysctl_intvec(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
return -ENOSYS; return -ENOSYS;
} }
int sysctl_jiffies(struct ctl_table *table, int __user *name, int nlen, int sysctl_jiffies(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
return -ENOSYS; return -ENOSYS;
} }
int sysctl_ms_jiffies(struct ctl_table *table, int __user *name, int nlen, int sysctl_ms_jiffies(struct ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {

5
kernel/utsname_sysctl.c
View file

@ -60,7 +60,7 @@ static int proc_do_uts_string(ctl_table *table, int write, struct file *filp,
#ifdef CONFIG_SYSCTL_SYSCALL #ifdef CONFIG_SYSCTL_SYSCALL
/* The generic string strategy routine: */ /* The generic string strategy routine: */
static int sysctl_uts_string(ctl_table *table, int __user *name, int nlen, static int sysctl_uts_string(ctl_table *table,
void __user *oldval, size_t __user *oldlenp, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -69,8 +69,7 @@ static int sysctl_uts_string(ctl_table *table, int __user *name, int nlen,
write = newval && newlen; write = newval && newlen;
memcpy(&uts_table, table, sizeof(uts_table)); memcpy(&uts_table, table, sizeof(uts_table));
uts_table.data = get_uts(table, write); uts_table.data = get_uts(table, write);
r = sysctl_string(&uts_table, name, nlen, r = sysctl_string(&uts_table, oldval, oldlenp, newval, newlen);
oldval, oldlenp, newval, newlen);
put_uts(table, write, uts_table.data); put_uts(table, write, uts_table.data);
return r; return r;
} }

4
net/decnet/dn_dev.c
View file

@ -166,7 +166,7 @@ static int max_priority[] = { 127 }; /* From DECnet spec */
static int dn_forwarding_proc(ctl_table *, int, struct file *, static int dn_forwarding_proc(ctl_table *, int, struct file *,
void __user *, size_t *, loff_t *); 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 *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen); void __user *newval, size_t newlen);
@ -318,7 +318,7 @@ static int dn_forwarding_proc(ctl_table *table, int write,
#endif #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 *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {

4
net/decnet/sysctl_net_decnet.c
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 *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) 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 *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {

7
net/ipv4/devinet.c
View file

@ -1283,7 +1283,7 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
return ret; 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 *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -1379,12 +1379,11 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write,
return ret; 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 *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
int ret = devinet_conf_sysctl(table, name, nlen, oldval, oldlenp, int ret = devinet_conf_sysctl(table, oldval, oldlenp, newval, newlen);
newval, newlen);
struct net *net = table->extra2; struct net *net = table->extra2;
if (ret == 1) if (ret == 1)

7
net/ipv4/route.c
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, static int ipv4_sysctl_rtcache_flush_strategy(ctl_table *table,
int __user *name,
int nlen,
void __user *oldval, void __user *oldval,
size_t __user *oldlenp, size_t __user *oldlenp,
void __user *newval, 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, static int ipv4_sysctl_rt_secret_interval_strategy(ctl_table *table,
int __user *name,
int nlen,
void __user *oldval, void __user *oldval,
size_t __user *oldlenp, size_t __user *oldlenp,
void __user *newval, void __user *newval,
size_t newlen) size_t newlen)
{ {
int old = ip_rt_secret_interval; int old = ip_rt_secret_interval;
int ret = sysctl_jiffies(table, name, nlen, oldval, oldlenp, newval, int ret = sysctl_jiffies(table, oldval, oldlenp, newval, newlen);
newlen);
rt_secret_reschedule(old); rt_secret_reschedule(old);

18
net/ipv4/sysctl_net_ipv4.c
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. */ /* Validate changes from sysctl interface. */
static int ipv4_sysctl_local_port_range(ctl_table *table, int __user *name, static int ipv4_sysctl_local_port_range(ctl_table *table,
int nlen, void __user *oldval, void __user *oldval,
size_t __user *oldlenp, size_t __user *oldlenp,
void __user *newval, size_t newlen) 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); 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 (ret == 0 && newval && newlen) {
if (range[1] < range[0]) if (range[1] < range[0])
ret = -EINVAL; ret = -EINVAL;
@ -109,8 +109,8 @@ static int proc_tcp_congestion_control(ctl_table *ctl, int write, struct file *
return ret; return ret;
} }
static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name, static int sysctl_tcp_congestion_control(ctl_table *table,
int nlen, void __user *oldval, void __user *oldval,
size_t __user *oldlenp, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
@ -122,7 +122,7 @@ static int sysctl_tcp_congestion_control(ctl_table *table, int __user *name,
int ret; int ret;
tcp_get_default_congestion_control(val); 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) if (ret == 1 && newval && newlen)
ret = tcp_set_default_congestion_control(val); ret = tcp_set_default_congestion_control(val);
return ret; return ret;
@ -165,8 +165,8 @@ static int proc_allowed_congestion_control(ctl_table *ctl,
return ret; return ret;
} }
static int strategy_allowed_congestion_control(ctl_table *table, int __user *name, static int strategy_allowed_congestion_control(ctl_table *table,
int nlen, void __user *oldval, void __user *oldval,
size_t __user *oldlenp, size_t __user *oldlenp,
void __user *newval, void __user *newval,
size_t newlen) size_t newlen)
@ -179,7 +179,7 @@ static int strategy_allowed_congestion_control(ctl_table *table, int __user *nam
return -ENOMEM; return -ENOMEM;
tcp_get_available_congestion_control(tbl.data, tbl.maxlen); 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) if (ret == 1 && newval && newlen)
ret = tcp_set_allowed_congestion_control(tbl.data); ret = tcp_set_allowed_congestion_control(tbl.data);
kfree(tbl.data); kfree(tbl.data);

1
net/ipv6/addrconf.c
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, static int addrconf_sysctl_forward_strategy(ctl_table *table,
int __user *name, int nlen,
void __user *oldval, void __user *oldval,
size_t __user *oldlenp, size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)

11
net/ipv6/ndisc.c
View file

@ -1730,9 +1730,8 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f
return ret; return ret;
} }
int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name, int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl,
int nlen, void __user *oldval, void __user *oldval, size_t __user *oldlenp,
size_t __user *oldlenp,
void __user *newval, size_t newlen) void __user *newval, size_t newlen)
{ {
struct net_device *dev = ctl->extra1; 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) { switch (ctl->ctl_name) {
case NET_NEIGH_REACHABLE_TIME: case NET_NEIGH_REACHABLE_TIME:
ret = sysctl_jiffies(ctl, name, nlen, ret = sysctl_jiffies(ctl, oldval, oldlenp, newval, newlen);
oldval, oldlenp, newval, newlen);
break; break;
case NET_NEIGH_RETRANS_TIME_MS: case NET_NEIGH_RETRANS_TIME_MS:
case NET_NEIGH_REACHABLE_TIME_MS: case NET_NEIGH_REACHABLE_TIME_MS:
ret = sysctl_ms_jiffies(ctl, name, nlen, ret = sysctl_ms_jiffies(ctl, oldval, oldlenp, newval, newlen);
oldval, oldlenp, newval, newlen);
break; break;
default: default:
ret = 0; ret = 0;