Messages in this thread Patch in this message | | | From | luo penghao <> | Subject | [PATCH linux-next] net/core: Remove unused assignment and extra parentheses | Date | Fri, 22 Oct 2021 09:50:43 +0000 |
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Although if_info_size is assigned, it has not been used. it should be deleted.This will cause the double parentheses to be redundant, and the inner parentheses should be deleted.
The clang_analyzer complains as follows:
net/core/rtnetlink.c:3806: warning:
Although the value stored to 'if_info_size' is used in the enclosing expression, the value is never actually read from 'if_info_size'.
Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: luo penghao <luo.penghao@zte.com.cn> --- net/core/rtnetlink.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 10e2a0e..c218ad0 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -3807,9 +3807,8 @@ struct sk_buff *rtmsg_ifinfo_build_skb(int type, struct net_device *dev, struct net *net = dev_net(dev); struct sk_buff *skb; int err = -ENOBUFS; - size_t if_info_size; - skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), flags); + skb = nlmsg_new(if_nlmsg_size(dev, 0), flags); if (skb == NULL) goto errout; -- 2.15.2
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