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authorluo penghao <cgel.zte@gmail.com>2021-10-28 04:36:39 +0200
committerSteffen Klassert <steffen.klassert@secunet.com>2021-10-28 07:56:02 +0200
commitad57dae8a64da3926a22debbbe7d3b487a685a08 (patch)
tree2c70af1e42beb75aed4d5a2d333b2aca3e25fbb7 /net/xfrm/xfrm_input.c
parentnet/ipv4/xfrm4_tunnel.c: remove superfluous header files from xfrm4_tunnel.c (diff)
downloadlinux-ad57dae8a64da3926a22debbbe7d3b487a685a08.tar.xz
linux-ad57dae8a64da3926a22debbbe7d3b487a685a08.zip
xfrm: Remove redundant fields and related parentheses
The variable err is not necessary in such places. It should be revmoved for the simplicity of the code. This will cause the double parentheses to be redundant, and the inner parentheses should be deleted. The clang_analyzer complains as follows: net/xfrm/xfrm_input.c:533: warning: net/xfrm/xfrm_input.c:563: warning: Although the value stored to 'err' is used in the enclosing expression, the value is never actually read from 'err'. Changes in v2: Modify the title, because v2 removes the brackets. Remove extra parentheses. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: luo penghao <luo.penghao@zte.com.cn> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm/xfrm_input.c')
-rw-r--r--net/xfrm/xfrm_input.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 3df0861d4390..70a8c36f0ba6 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -530,7 +530,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
goto drop;
}
- if ((err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0) {
+ if (xfrm_parse_spi(skb, nexthdr, &spi, &seq)) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR);
goto drop;
}
@@ -560,7 +560,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
}
seq = 0;
- if (!spi && (err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0) {
+ if (!spi && xfrm_parse_spi(skb, nexthdr, &spi, &seq)) {
secpath_reset(skb);
XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR);
goto drop;