4.14-stable review patch. If anyone has any objections, please let me know.
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From: Arun Kumar Neelakantam aneela@codeaurora.org
[ Upstream commit 2394facb17bcace4b3c19b50202177a5d8903b64 ]
The "intent_req_comp" variable is used without initialization which results in NULL pointer dereference in qcom_glink_request_intent().
we need to initialize the completion variable before using it.
Fixes: 27b9c5b66b23 ("rpmsg: glink: Request for intents when unavailable") Signed-off-by: Arun Kumar Neelakantam aneela@codeaurora.org Signed-off-by: Bjorn Andersson bjorn.andersson@linaro.org Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/rpmsg/qcom_glink_native.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -227,6 +227,7 @@ static struct glink_channel *qcom_glink_
init_completion(&channel->open_req); init_completion(&channel->open_ack); + init_completion(&channel->intent_req_comp);
INIT_LIST_HEAD(&channel->done_intents); INIT_WORK(&channel->intent_work, qcom_glink_rx_done_work);