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DM: mei: solving the issue of closing the fd

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The issue leads that the IOC mediator's fd is turned off
incorrectly, causing the IOC mediator to fail.

The root cause is because after closing fd is not set
to an invalid fd.

The issue can be reproduced by the S3 stress test.

Tracked-On: #2301
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Yuan Liu 2019-01-09 16:52:29 +08:00 committed by wenlingz
parent 404fd9c935
commit 62e058a001
1 changed files with 7 additions and 2 deletions
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9
devicemodel/hw/pci/virtio/virtio_mei.c
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@ -379,8 +379,10 @@ vmei_rx_teardown(void *param)
unsigned int i;
struct vmei_host_client *hclient = param;
if (hclient->client_fd > -1)
if (hclient->client_fd > -1) {
close(hclient->client_fd);
hclient->client_fd = -1;
}
for (i = 0; i < VMEI_IOBUFS_MAX; i++)
free(hclient->send_bufs.bufs[i].iov_base);
free(hclient->recv_buf);
@ -944,7 +946,10 @@ vmei_virtual_fw_reset(struct virtio_mei *vmei)
vmei_set_status(vmei, VMEI_STS_RESET);
vmei->config->hw_ready = 0;
close(vmei->hbm_fd);
if (vmei->hbm_fd > -1) {
close(vmei->hbm_fd);
vmei->hbm_fd = -1;
}
/* disconnect all */
pthread_mutex_lock(&vmei->list_mutex);