[2.6.20.17 review 17/58] V4L: wm8775/wm8739: Fix memory leak when unloading module

[Willy Tarreau]

State struct was never freed.

(cherry picked from commit 1b2232ab879993fcf5b9391c3febf6ab5d78201e)

Signed-off-by: Hans Verkuil <hverkuil@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
Signed-off-by: Michael Krufky <mkrufky@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
 drivers/media/video/wm8739.c |    2 ++
 drivers/media/video/wm8775.c |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/media/video/wm8739.c b/drivers/media/video/wm8739.c
index a9b59c3..009941b 100644
--- a/drivers/media/video/wm8739.c
+++ b/drivers/media/video/wm8739.c
@@ -317,12 +317,14 @@ static int wm8739_probe(struct i2c_adapter *adapter)
 
 static int wm8739_detach(struct i2c_client *client)
 {
+	struct wm8739_state *state = i2c_get_clientdata(client);
 	int err;
 
 	err = i2c_detach_client(client);
 	if (err)
 		return err;
 
+	kfree(state);
 	kfree(client);
 	return 0;
 }
diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c
index d81a88b..e555b3a 100644
--- a/drivers/media/video/wm8775.c
+++ b/drivers/media/video/wm8775.c
@@ -218,12 +218,14 @@ static int wm8775_probe(struct i2c_adapter *adapter)
 
 static int wm8775_detach(struct i2c_client *client)
 {
+	struct wm8775_state *state = i2c_get_clientdata(client);
 	int err;
 
 	err = i2c_detach_client(client);
 	if (err) {
 		return err;
 	}
+	kfree(state);
 	kfree(client);
 
 	return 0;
-- 
1.5.2.5

-- 
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