From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx>
this patch makes sure to call mutex_destroy() in
case of probe failure or module unload.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
---
drivers/media/i2c/mt9p031.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index e3acae9..af5a09d 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -1071,6 +1071,8 @@ static int mt9p031_probe(struct i2c_client *client,
return ret;
}
+ mutex_init(&mt9p031->power_lock);
+
v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 6);
v4l2_ctrl_new_std(&mt9p031->ctrls, &mt9p031_ctrl_ops,
@@ -1108,7 +1110,6 @@ static int mt9p031_probe(struct i2c_client *client,
mt9p031->blc_offset = v4l2_ctrl_find(&mt9p031->ctrls,
V4L2_CID_BLC_DIGITAL_OFFSET);
- mutex_init(&mt9p031->power_lock);
v4l2_i2c_subdev_init(&mt9p031->subdev, client, &mt9p031_subdev_ops);
mt9p031->subdev.internal_ops = &mt9p031_subdev_internal_ops;
@@ -1149,6 +1150,7 @@ done:
if (ret < 0) {
v4l2_ctrl_handler_free(&mt9p031->ctrls);
media_entity_cleanup(&mt9p031->subdev.entity);
+ mutex_destroy(&mt9p031->power_lock);
}
return ret;
@@ -1162,6 +1164,7 @@ static int mt9p031_remove(struct i2c_client *client)
v4l2_ctrl_handler_free(&mt9p031->ctrls);
v4l2_device_unregister_subdev(subdev);
media_entity_cleanup(&subdev->entity);
+ mutex_destroy(&mt9p031->power_lock);
return 0;
}
--
1.9.1
--
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