[PATCH] dst_ca __user annotations, portability fixes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index e6541aff39968597f67d390ab453e846bcc07d35..2239651969c88f236c073d691e4598722fdc27d3 100644 (file)
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -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.");