[media] lirc_dev: simplify if statement in lirc_add_to_buf

The whole function is inside an 'if' statement
("if (ir->d.add_to_buf)").

Check the opposite of that statement at the beginning and exit,
this way we can have one level less of indentation.

Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index cfa6031eeb722cd6fb4dbff59fd9f4a104ee0121..c2826a7b70bd39c2a876a1fb59c14930a8cb4271 100644 (file)
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -97,26 +97,25 @@ static void lirc_irctl_cleanup(struct irctl *ir)
  */
 static int lirc_add_to_buf(struct irctl *ir)
 {
-       if (ir->d.add_to_buf) {
-               int res = -ENODATA;
-               int got_data = -1;
+       int res;
+       int got_data = -1;
 
-               /*
-                * service the device as long as it is returning
-                * data and we have space
-                */
-               do {
-                       got_data++;
-                       res = ir->d.add_to_buf(ir->d.data, ir->buf);
-               } while (!res);
+       if (!ir->d.add_to_buf)
+               return 0;
 
-               if (res == -ENODEV)
-                       kthread_stop(ir->task);
+       /*
+        * service the device as long as it is returning
+        * data and we have space
+        */
+       do {
+               got_data++;
+               res = ir->d.add_to_buf(ir->d.data, ir->buf);
+       } while (!res);
 
-               return got_data ? 0 : res;
-       }
+       if (res == -ENODEV)
+               kthread_stop(ir->task);
 
-       return 0;
+       return got_data ? 0 : res;
 }
 
 /* main function of the polling thread