From: Jonathan Cameron <jic23@xxxxxxxxx>
This error was picked up by running the smatch static
checker over all the IIO subsytem.
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/iio/industrialio-core.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 768f448..87799b2 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -79,11 +79,14 @@ EXPORT_SYMBOL(__iio_change_event);
/* Does anyone care? */
mutex_lock(&ev_int->event_list_lock);
if (test_bit(IIO_BUSY_BIT_POS, &ev_int->handler.flags)) {
- if (ev_int->current_events == ev_int->max_events)
+ if (ev_int->current_events == ev_int->max_events) {
+ mutex_unlock(&ev_int->event_list_lock);
return 0;
+ }
ev = kmalloc(sizeof(*ev), GFP_KERNEL);
if (ev == NULL) {
ret = -ENOMEM;
+ mutex_unlock(&ev_int->event_list_lock);
goto error_ret;
}
ev->ev.id = ev_code;
--
1.7.0.1
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