cls_bpf: Convert to use idr_alloc_u32
Use the new helper. This has a modest reduction in both lines of code and compiled code size. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
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@ -471,7 +471,6 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
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struct cls_bpf_prog *oldprog = *arg;
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struct nlattr *tb[TCA_BPF_MAX + 1];
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struct cls_bpf_prog *prog;
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unsigned long idr_index;
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int ret;
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if (tca[TCA_OPTIONS] == NULL)
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@ -498,21 +497,18 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
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}
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if (handle == 0) {
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ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index,
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1, 0x7FFFFFFF, GFP_KERNEL);
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if (ret)
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goto errout;
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prog->handle = idr_index;
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} else {
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if (!oldprog) {
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ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index,
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handle, handle + 1, GFP_KERNEL);
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if (ret)
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goto errout;
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}
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prog->handle = handle;
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handle = 1;
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ret = idr_alloc_u32(&head->handle_idr, prog, &handle,
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INT_MAX, GFP_KERNEL);
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} else if (!oldprog) {
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ret = idr_alloc_u32(&head->handle_idr, prog, &handle,
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handle, GFP_KERNEL);
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}
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if (ret)
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goto errout;
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prog->handle = handle;
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ret = cls_bpf_set_parms(net, tp, prog, base, tb, tca[TCA_RATE], ovr,
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extack);
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if (ret < 0)
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