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dm: mei: check return value of vmei_host_client_to_vmei() 

vmei_host_client_to_vmei() may return NULL we need to check
for the return value.

Tracked-On: #1630
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
This commit is contained in:
Alexander Usyskin 2018-10-29 00:39:45 +02:00 committed by lijinxia
parent b4fbef4659
commit 5f41d4a8d3
1 changed files with 6 additions and 0 deletions
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6
devicemodel/hw/pci/virtio/virtio_mei.c
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@ -962,6 +962,9 @@ vmei_host_client_native_connect(struct vmei_host_client *hclient)
struct vmei_me_client *mclient;
struct mei_connect_client_data_vtag connection_data;
if (!vmei)
return MEI_HBM_REJECTED;
mclient = hclient->mclient;
/* open mei node */
@ -1637,6 +1640,9 @@ vmei_host_client_native_read(struct vmei_host_client *hclient)
struct virtio_mei *vmei = vmei_host_client_to_vmei(hclient);
ssize_t len;
if (!vmei)
return -1;
if (hclient->client_fd < 0) {
HCL_WARN(hclient, "RX: invalid client fd\n");
return -1;