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authorJonathan Cameron <jic23@cam.ac.uk>2010-01-09 16:57:34 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-03 16:42:42 -0800
commit75c8075394906b4bda4b056328bd9b401277d9b8 (patch)
treea88b40594d0e6adcb207cabd3b41498cf394654a /drivers
parent0daa04a586f03de8f9022e29fb41c9dc0de28c4a (diff)
staging: iio: Ensure mutex is correctly unlocked in __iio_push_event
This error was picked up by running the smatch static checker over all the IIO subsytem. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/iio/industrialio-core.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 768f44894d08..87799b2a9262 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;