mei: nfc: mei_nfc_free has to be called under lock
nfc_nfc_free unlink clients from the device list
and has to be called under mei mutex
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 @@
return;
err:
+ mutex_lock(&dev->device_lock);
mei_nfc_free(ndev);
+ mutex_unlock(&dev->device_lock);
return;
}