Messages in this thread | | | Date | Fri, 9 Jun 2023 09:30:11 -0300 | Subject | Re: [PATCH] net/sched: act_pedit: Use kmemdup() to replace kmalloc + memcpy | From | Pedro Tammela <> |
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On 09/06/2023 04:01, Jiapeng Chong wrote: > ./net/sched/act_pedit.c:245:21-28: WARNING opportunity for kmemdup. > > Reported-by: Abaci Robot <abaci@linux.alibaba.com> > Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5478 > Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
LGTM,
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
> --- > net/sched/act_pedit.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c > index fc945c7e4123..8c4e7fddddbf 100644 > --- a/net/sched/act_pedit.c > +++ b/net/sched/act_pedit.c > @@ -242,14 +242,12 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, > nparms->tcfp_flags = parm->flags; > nparms->tcfp_nkeys = parm->nkeys; > > - nparms->tcfp_keys = kmalloc(ksize, GFP_KERNEL); > + nparms->tcfp_keys = kmemdup(parm->keys, ksize, GFP_KERNEL); > if (!nparms->tcfp_keys) { > ret = -ENOMEM; > goto put_chain; > } > > - memcpy(nparms->tcfp_keys, parm->keys, ksize); > - > for (i = 0; i < nparms->tcfp_nkeys; ++i) { > u32 offmask = nparms->tcfp_keys[i].offmask; > u32 cur = nparms->tcfp_keys[i].off;
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