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Diffstat (limited to 'net/decnet')
-rw-r--r--net/decnet/dn_dev.c7
-rw-r--r--net/decnet/sysctl_net_decnet.c27
2 files changed, 11 insertions, 23 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index cca7ae712995..65abcf1b3210 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -160,8 +160,8 @@ static int max_t3[] = { 8191 }; /* Must fit in 16 bits when multiplied by BCT3MU
static int min_priority[1];
static int max_priority[] = { 127 }; /* From DECnet spec */
-static int dn_forwarding_proc(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+static int dn_forwarding_proc(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
static struct dn_dev_sysctl_table {
struct ctl_table_header *sysctl_header;
struct ctl_table dn_dev_vars[5];
@@ -245,8 +245,7 @@ static void dn_dev_sysctl_unregister(struct dn_dev_parms *parms)
}
static int dn_forwarding_proc(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
#ifdef CONFIG_DECNET_ROUTER
struct net_device *dev = table->extra1;
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 55bf64a22b59..deae519bdeec 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -134,8 +134,7 @@ static int parse_addr(__le16 *addr, char *str)
}
static int dn_node_address_handler(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
char addr[DN_ASCBUF_LEN];
size_t len;
@@ -148,10 +147,7 @@ static int dn_node_address_handler(struct ctl_table *table, int write,
if (write) {
len = (*lenp < DN_ASCBUF_LEN) ? *lenp : (DN_ASCBUF_LEN-1);
-
- if (copy_from_user(addr, buffer, len))
- return -EFAULT;
-
+ memcpy(addr, buffer, len);
addr[len] = 0;
strip_it(addr);
@@ -173,11 +169,9 @@ static int dn_node_address_handler(struct ctl_table *table, int write,
len = strlen(addr);
addr[len++] = '\n';
- if (len > *lenp) len = *lenp;
-
- if (copy_to_user(buffer, addr, len))
- return -EFAULT;
-
+ if (len > *lenp)
+ len = *lenp;
+ memcpy(buffer, addr, len);
*lenp = len;
*ppos += len;
@@ -185,8 +179,7 @@ static int dn_node_address_handler(struct ctl_table *table, int write,
}
static int dn_def_dev_handler(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
size_t len;
struct net_device *dev;
@@ -201,9 +194,7 @@ static int dn_def_dev_handler(struct ctl_table *table, int write,
if (*lenp > 16)
return -E2BIG;
- if (copy_from_user(devname, buffer, *lenp))
- return -EFAULT;
-
+ memcpy(devname, buffer, *lenp);
devname[*lenp] = 0;
strip_it(devname);
@@ -238,9 +229,7 @@ static int dn_def_dev_handler(struct ctl_table *table, int write,
if (len > *lenp) len = *lenp;
- if (copy_to_user(buffer, devname, len))
- return -EFAULT;
-
+ memcpy(buffer, devname, len);
*lenp = len;
*ppos += len;