From a2db1c64f2ce28b4d7134695f1a874d005d805bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E8=B4=87?= <yun.wang@linux.alibaba.com>
Date: Fri, 3 Sep 2021 10:27:18 +0800
Subject: [PATCH] net: remove the unnecessary check in cipso_v4_doi_free
Git-commit: 9756e44fd4d283ebcc94df353642f322428b73de
Patch-mainline: v5.15-rc1
References: stable-5.14.7
commit 9756e44fd4d283ebcc94df353642f322428b73de upstream.
The commit 733c99ee8be9 ("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 e842cb60e8ac ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
net/ipv4/cipso_ipv4.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 7fbd0b532f52..099259fc826a 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -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);
}
--
2.26.2