!7037 media: v4l2-tpg: fix some memleaks in tpg_alloc

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Zekun <zhangzekun11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/RNF2RJ7QRQCUNOW5EW4NOWDPQ7EUELUY/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9L9JG 
 
Link:https://gitee.com/openeuler/kernel/pulls/7037

 

Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>