提交 94299171 编写于 作者: A Al Viro 提交者: Linus Torvalds

[PATCH] dst_ca __user annotations, portability fixes

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 b3e5b5b2
......@@ -406,7 +406,7 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message,
}
dprintk(verbose, DST_CA_DEBUG, 1, " ");
if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) {
if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) {
result = -EFAULT;
goto free_mem_and_exit;
}
......@@ -579,7 +579,7 @@ static int dst_ca_release(struct inode *inode, struct file *file)
return 0;
}
static int dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
static ssize_t dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
{
int bytes_read = 0;
......@@ -588,7 +588,7 @@ static int dst_ca_read(struct file *file, char __user *buffer, size_t length, lo
return bytes_read;
}
static int dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
{
dprintk(verbose, DST_CA_DEBUG, 1, " Device write.");
......
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