[media] lirc_zilog: Use kernel standard methods for marking device non-seekable

lirc_zilog had its own llseek stub that returned -ESPIPE.  Get rid of
it and use the kernel's no_llseek() and nonseekable_open() functions
instead.

Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/staging/lirc/lirc_zilog.c b/drivers/staging/lirc/lirc_zilog.c
index c857b99e5ace..720ef6739d0e 100644
--- a/drivers/staging/lirc/lirc_zilog.c
+++ b/drivers/staging/lirc/lirc_zilog.c
@@ -712,12 +712,6 @@ static int tx_init(struct IR_tx *tx)
         return 0;
 }
 
-/* do nothing stub to make LIRC happy */
-static loff_t lseek(struct file *filep, loff_t offset, int orig)
-{
-        return -ESPIPE;
-}
-
 /* copied from lirc_dev */
 static ssize_t read(struct file *filep, char *outbuf, size_t n, loff_t *ppos)
 {
@@ -1099,6 +1093,7 @@ static int open(struct inode *node, struct file *filep)
         /* stash our IR struct */
         filep->private_data = ir;
 
+        nonseekable_open(node, filep);
         return 0;
 }
 
@@ -1150,7 +1145,7 @@ static struct i2c_driver driver = {
 
 static const struct file_operations lirc_fops = {
         .owner          = THIS_MODULE,
-        .llseek         = lseek,
+        .llseek         = no_llseek,
         .read           = read,
         .write          = write,
         .poll           = poll,