static ssize_t bin_intvec(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t copied = 0;
char *buffer;
ssize_t result;
if (oldval && oldlen) {
unsigned __user *vec = oldval;
size_t length = oldlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buffer, BUFSZ - 1);
if (result < 0)
goto out_kfree;
if (newval && newlen) {
unsigned __user *vec = newval;
size_t length = newlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
str += snprintf(str, end - str, "%lu\t", value);
}
- set_fs(KERNEL_DS);
- result = vfs_write(file, buffer, str - buffer, &pos);
- set_fs(old_fs);
+ result = kernel_write(file, buffer, str - buffer, 0);
if (result < 0)
goto out_kfree;
}
static ssize_t bin_ulongvec(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t copied = 0;
char *buffer;
ssize_t result;
if (oldval && oldlen) {
unsigned long __user *vec = oldval;
size_t length = oldlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buffer, BUFSZ - 1);
if (result < 0)
goto out_kfree;
if (newval && newlen) {
unsigned long __user *vec = newval;
size_t length = newlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
str += snprintf(str, end - str, "%lu\t", value);
}
- set_fs(KERNEL_DS);
- result = vfs_write(file, buffer, str - buffer, &pos);
- set_fs(old_fs);
+ result = kernel_write(file, buffer, str - buffer, 0);
if (result < 0)
goto out_kfree;
}
static ssize_t bin_uuid(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t result, copied = 0;
/* Only supports reads */
if (oldval && oldlen) {
- loff_t pos = 0;
char buf[40], *str = buf;
unsigned char uuid[16];
int i;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buf, sizeof(buf) - 1);
if (result < 0)
goto out;
static ssize_t bin_dn_node_address(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t result, copied = 0;
if (oldval && oldlen) {
- loff_t pos = 0;
char buf[15], *nodep;
unsigned long area, node;
__le16 dnaddr;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buf, sizeof(buf) - 1);
if (result < 0)
goto out;
/* Convert the decnet address to binary */
result = -EIO;
- nodep = strchr(buf, '.') + 1;
+ nodep = strchr(buf, '.');
if (!nodep)
goto out;
+ ++nodep;
area = simple_strtoul(buf, NULL, 10);
node = simple_strtoul(nodep, NULL, 10);
}
if (newval && newlen) {
- loff_t pos = 0;
__le16 dnaddr;
char buf[15];
int len;
le16_to_cpu(dnaddr) >> 10,
le16_to_cpu(dnaddr) & 0x3ff);
- set_fs(KERNEL_DS);
- result = vfs_write(file, buf, len, &pos);
- set_fs(old_fs);
+ result = kernel_write(file, buf, len, 0);
if (result < 0)
goto out;
}