Staging:media: Fix Sparse warnings incorrect type in lirc_sasem.c
This patch fixes following sparse warning in dgap.c
drivers/staging/media/lirc/lirc_sasem.c:392:32: warning: incorrect type in argument 1 (different address spaces)
drivers/staging/media/lirc/lirc_sasem.c:392:32: expected void const [noderef] <asn:1>*<noident>
drivers/staging/media/lirc/lirc_sasem.c:392:32: got char const *buf
drivers/staging/media/lirc/lirc_sasem.c:123:28: warning: incorrect type in initializer (incompatible argument 2 (different address spaces))
drivers/staging/media/lirc/lirc_sasem.c:123:28: expected int ( *write )( ... )
drivers/staging/media/lirc/lirc_sasem.c:123:28: got int ( static [toplevel] *<noident> )( ... )
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/media/lirc/lirc_sasem.c b/drivers/staging/media/lirc/lirc_sasem.c
index d2445fd..2f36688 100644
--- a/drivers/staging/media/lirc/lirc_sasem.c
+++ b/drivers/staging/media/lirc/lirc_sasem.c
@@ -74,7 +74,7 @@
static int vfd_open(struct inode *inode, struct file *file);
static long vfd_ioctl(struct file *file, unsigned cmd, unsigned long arg);
static int vfd_close(struct inode *inode, struct file *file);
-static ssize_t vfd_write(struct file *file, const char *buf,
+static ssize_t vfd_write(struct file *file, const char __user *buf,
size_t n_bytes, loff_t *pos);
/* LIRC driver function prototypes */
@@ -120,7 +120,7 @@
static const struct file_operations vfd_fops = {
.owner = THIS_MODULE,
.open = &vfd_open,
- .write = &vfd_write,
+ .write = vfd_write,
.unlocked_ioctl = &vfd_ioctl,
.release = &vfd_close,
.llseek = noop_llseek,
@@ -360,7 +360,7 @@
* and requires data in 9 consecutive USB interrupt packets,
* each packet carrying 8 bytes.
*/
-static ssize_t vfd_write(struct file *file, const char *buf,
+static ssize_t vfd_write(struct file *file, const char __user *buf,
size_t n_bytes, loff_t *pos)
{
int i;
@@ -389,7 +389,7 @@
goto exit;
}
- data_buf = memdup_user(buf, n_bytes);
+ data_buf = memdup_user((void const __user *)buf, n_bytes);
if (IS_ERR(data_buf)) {
retval = PTR_ERR(data_buf);
goto exit;