drm/etnaviv: fix missing unlock on error in etnaviv_gpu_submit()

commit 45abdf35cf82e4270328c7237e7812de960ac560 upstream.

Add the missing unlock before return from function etnaviv_gpu_submit()
in the error handling case.

lst: fixed label name.

Fixes: f3cd1b064f11 ("drm/etnaviv: (re-)protect fence allocation with GPU mutex")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index b87d278..a336754 100644 (file)
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1305,7 +1305,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
        if (!fence) {
                event_free(gpu, event);
                ret = -ENOMEM;
-               goto out_pm_put;
+               goto out_unlock;
        }
 
        gpu->event[event].fence = fence;
@@ -1345,6 +1345,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
        hangcheck_timer_reset(gpu);
        ret = 0;
 
+out_unlock:
        mutex_unlock(&gpu->lock);
 
 out_pm_put: