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net: remove the unnecessary check in cipso_v4_doi_free 

The commit 733c99ee8b ("net: fix NULL pointer reference in
cipso_v4_doi_free") was merged by a mistake, this patch try
to cleanup the mess.

And we already have the commit e842cb60e8 ("net: fix NULL
pointer reference in cipso_v4_doi_free") which fixed the root
cause of the issue mentioned in it's description.

Suggested-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Michael Wang <yun.wang@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
王贇 2021-09-03 10:27:18 +08:00 committed by David S. Miller
parent ddd0d52938
commit 9756e44fd4
1 changed files with 8 additions and 10 deletions
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18
net/ipv4/cipso_ipv4.c
View File

@ -465,16 +465,14 @@ void cipso_v4_doi_free(struct cipso_v4_doi *doi_def)
if (!doi_def)
return;
if (doi_def->map.std) {
switch (doi_def->type) {
case CIPSO_V4_MAP_TRANS:
kfree(doi_def->map.std->lvl.cipso);
kfree(doi_def->map.std->lvl.local);
kfree(doi_def->map.std->cat.cipso);
kfree(doi_def->map.std->cat.local);
kfree(doi_def->map.std);
break;
}
switch (doi_def->type) {
case CIPSO_V4_MAP_TRANS:
kfree(doi_def->map.std->lvl.cipso);
kfree(doi_def->map.std->lvl.local);
kfree(doi_def->map.std->cat.cipso);
kfree(doi_def->map.std->cat.local);
kfree(doi_def->map.std);
break;
}
kfree(doi_def);
}