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Commit 89bf4e36 authored by jitendrathakare's avatar jitendrathakare Committed by Gerrit - the friendly Code Review server
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qseecom : Clear client handle after unmap the resources 



When unloading the app, reset all client members to NULL
to protect from accessing the memory after being freed.

Change-Id: I573b9c6fde03539522d2b04724a2246660c62518
Signed-off-by: default avatarjitendra thakare <jitendrathakare@codeaurora.org>
parent e2bbd349

drivers/misc/qseecom.c

+2 −1
Original line number Diff line number Diff line
@@ -2530,7 +2530,8 @@ static int qseecom_unmap_ion_allocated_memory(struct qseecom_dev_handle *data) 
	if (!IS_ERR_OR_NULL(data->client.ihandle)) {

		ion_unmap_kernel(qseecom.ion_clnt, data->client.ihandle);

		ion_free(qseecom.ion_clnt, data->client.ihandle);

		data->client.ihandle = NULL;

		memset((void *)&data->client,

			0, sizeof(struct qseecom_client_handle));

	}

	return ret;

}