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[media] lirc_dev: simplify if statement in lirc_add_to_buf

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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>
This commit is contained in:
Andi Shyti 2016-07-06 06:01:19 -03:00 committed by Mauro Carvalho Chehab
parent 7fe579d29f
commit 19e565397c
1 changed files with 15 additions and 16 deletions
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31
drivers/media/rc/lirc_dev.c
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@ -97,26 +97,25 @@ static void lirc_irctl_cleanup(struct irctl *ir)
*/ */
static int lirc_add_to_buf(struct irctl *ir) static int lirc_add_to_buf(struct irctl *ir)
{ {
if (ir->d.add_to_buf) { int res;
int res = -ENODATA; int got_data = -1;
int got_data = -1;
/* if (!ir->d.add_to_buf)
* service the device as long as it is returning return 0;
* data and we have space
*/
do {
got_data++;
res = ir->d.add_to_buf(ir->d.data, ir->buf);
} while (!res);
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 /* main function of the polling thread