[PATCH 1/6] gpiolib: cdev: simplify linereq_free

Kent Gibson
2022-07-13T01:37:54Z

The edge detector is only ever started after the line desc has been
determined, so move edge_detector_stop() inside the line desc check,
and merge the two checked regions into one.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
---
drivers/gpio/gpiolib-cdev.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 0c9a63becfef..b44526e3630e 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -1460,15 +1460,15 @@ static ssize_t linereq_read(struct file *file,
static void linereq_free(struct linereq *lr)
{
unsigned int i;
- bool hte = false;
+ bool hte;

for (i = 0; i < lr->num_lines; i++) {
- if (lr->lines[i].desc)
+ if (lr->lines[i].desc) {
hte = !!test_bit(FLAG_EVENT_CLOCK_HTE,
&lr->lines[i].desc->flags);
- edge_detector_stop(&lr->lines[i], hte);
- if (lr->lines[i].desc)
+ edge_detector_stop(&lr->lines[i], hte);
gpiod_free(lr->lines[i].desc);
+ }
}
kfifo_free(&lr->events);
kfree(lr->label);
--
2.37.0