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net_sched: fix errno in tcindex_set_parms() 

When kmemdup() fails, we should return -ENOMEM.

Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
WANG Cong 2014-09-25 12:06:04 -07:00 committed by David S. Miller
parent c01035f174
commit 02c5e84413
1 changed files with 2 additions and 3 deletions
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5
net/sched/cls_tcindex.c
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@ -237,15 +237,14 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
if (err < 0)
return err;
err = -ENOMEM;
/* tcindex_data attributes must look atomic to classifier/lookup so
* allocate new tcindex data and RCU assign it onto root. Keeping
* perfect hash and hash pointers from old data.
*/
cp = kzalloc(sizeof(*cp), GFP_KERNEL);
if (!cp) {
err = -ENOMEM;
if (!cp)
goto errout;
}
cp->mask = p->mask;
cp->shift = p->shift;