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net_sched: use explicit size of struct tcmsg, remove need to declare tcm 

Pointer tcm is being initialized and is never read, it is only being used
to determine the size of struct tcmsg.  Clean this up by removing
variable tcm and explicitly using the sizeof struct tcmsg rather than *tcm.
Cleans up clang warning:

warning: Value stored to 'tcm' during its initialization is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King 2017-09-18 12:40:38 +01:00 committed by David S. Miller
parent 21d0556cc8
commit 7e5dd53f6e
1 changed files with 1 additions and 2 deletions
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3
net/sched/sch_api.c
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@ -1500,7 +1500,6 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
int s_idx, s_q_idx;
struct net_device *dev;
const struct nlmsghdr *nlh = cb->nlh;
struct tcmsg *tcm = nlmsg_data(nlh);
struct nlattr *tca[TCA_MAX + 1];
int err;
@ -1510,7 +1509,7 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
idx = 0;
ASSERT_RTNL();
err = nlmsg_parse(nlh, sizeof(*tcm), tca, TCA_MAX, NULL, NULL);
err = nlmsg_parse(nlh, sizeof(struct tcmsg), tca, TCA_MAX, NULL, NULL);
if (err < 0)
return err;