Commit 9ffc5412 authored by Steve French's avatar Steve French

Check minimum response length on query_network_interface

Acked-by: default avatarShirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
parent b5b374ea
......@@ -265,15 +265,18 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon)
FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */,
NULL /* no data input */, 0 /* no data input */,
(char **)&out_buf, &ret_data_len);
if ((rc == 0) && (ret_data_len > 0)) {
if (rc != 0)
cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc);
else if (ret_data_len < sizeof(struct network_interface_info_ioctl_rsp)) {
cifs_dbg(VFS, "server returned bad net interface info buf\n");
rc = -EINVAL;
} else {
/* Dump info on first interface */
cifs_dbg(FYI, "Adapter Capability 0x%x\t",
le32_to_cpu(out_buf->Capability));
cifs_dbg(FYI, "Link Speed %lld\n",
le64_to_cpu(out_buf->LinkSpeed));
} else
cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc);
}
return rc;
}
......
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