[media] rc/ir-lirc-codec: cleanup __user tags
The code here treated user pointers correctly, but the __user tags
weren't used correctly so it caused Sparse warnings:
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index e5eeec4..ec2e67f 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -98,7 +98,7 @@
return 0;
}
-static ssize_t ir_lirc_transmit_ir(struct file *file, const char *buf,
+static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf,
size_t n, loff_t *ppos)
{
struct lirc_codec *lirc;
@@ -140,10 +140,11 @@
}
static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
- unsigned long __user arg)
+ unsigned long arg)
{
struct lirc_codec *lirc;
struct rc_dev *dev;
+ u32 __user *argp = (u32 __user *)(arg);
int ret = 0;
__u32 val = 0, tmp;
@@ -156,7 +157,7 @@
return -EFAULT;
if (_IOC_DIR(cmd) & _IOC_WRITE) {
- ret = get_user(val, (__u32 *)arg);
+ ret = get_user(val, argp);
if (ret)
return ret;
}
@@ -265,7 +266,7 @@
}
if (_IOC_DIR(cmd) & _IOC_READ)
- ret = put_user(val, (__u32 *)arg);
+ ret = put_user(val, argp);
return ret;
}