[char-misc-next] mei: nfc: mei_nfc_free has to be called under lock

[Tomas Winkler]

nfc_nfc_free unlink clients from the device list
and has to be called under mei mutex

Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Reviewed-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
---
 drivers/misc/mei/nfc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c
index 0a89220..5496190 100644
--- a/drivers/misc/mei/nfc.c
+++ b/drivers/misc/mei/nfc.c
@@ -469,7 +469,9 @@ static void mei_nfc_init(struct work_struct *work)
 	return;
 
 err:
+	mutex_lock(&dev->device_lock);
 	mei_nfc_free(ndev);
+	mutex_unlock(&dev->device_lock);
 
 	return;
 }
-- 
1.8.4.2

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