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gpu:nvgpu: clear domain response memory

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Same receive queue memory allocated for the domain gets used to send
the response to userspace. So it is needed to clear the memory before
updating it.

Bug 3884011

Change-Id: I23270f9b5796ac1f4cc8f8f180da7b8abd527f77
Signed-off-by: prsethi <prsethi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2828818
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
prsethi
2022-12-15 21:20:32 +00:00
committed by mobile promotions
parent e0a9553533
commit 6337e0e272
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/nvgpu/common/nvs/nvs_sched_ctrl.c
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@@ -766,6 +766,9 @@ static int nvgpu_nvs_ctrl_fifo_scheduler_process_receiver(struct gk20a *g,
{ {
int result = 0; int result = 0;
(void)memset(receiver_queue_sender->internal_buffer, 0,
NVS_DOMAIN_MESSAGE_MAX_PAYLOAD_SIZE);
if (send_queue_receiver->msg_type == NVS_DOMAIN_MSG_TYPE_CTRL_GET_CAPS_INFO) { if (send_queue_receiver->msg_type == NVS_DOMAIN_MSG_TYPE_CTRL_GET_CAPS_INFO) {
result = nvgpu_nvs_ctrl_fifo_scheduler_process_caps_request(g, result = nvgpu_nvs_ctrl_fifo_scheduler_process_caps_request(g,
send_queue_receiver, receiver_queue_sender); send_queue_receiver, receiver_queue_sender);