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>
This commit is contained in:
parent
05af0ebb08
commit
0b4ce8da79
|
@ -471,7 +471,6 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
|
|||
struct cls_bpf_prog *oldprog = *arg;
|
||||
struct nlattr *tb[TCA_BPF_MAX + 1];
|
||||
struct cls_bpf_prog *prog;
|
||||
unsigned long idr_index;
|
||||
int ret;
|
||||
|
||||
if (tca[TCA_OPTIONS] == NULL)
|
||||
|
@ -498,21 +497,18 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
|
|||
}
|
||||
|
||||
if (handle == 0) {
|
||||
ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index,
|
||||
1, 0x7FFFFFFF, GFP_KERNEL);
|
||||
if (ret)
|
||||
goto errout;
|
||||
prog->handle = idr_index;
|
||||
} else {
|
||||
if (!oldprog) {
|
||||
ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index,
|
||||
handle, handle + 1, GFP_KERNEL);
|
||||
if (ret)
|
||||
goto errout;
|
||||
}
|
||||
prog->handle = handle;
|
||||
handle = 1;
|
||||
ret = idr_alloc_u32(&head->handle_idr, prog, &handle,
|
||||
INT_MAX, GFP_KERNEL);
|
||||
} else if (!oldprog) {
|
||||
ret = idr_alloc_u32(&head->handle_idr, prog, &handle,
|
||||
handle, GFP_KERNEL);
|
||||
}
|
||||
|
||||
if (ret)
|
||||
goto errout;
|
||||
prog->handle = handle;
|
||||
|
||||
ret = cls_bpf_set_parms(net, tp, prog, base, tb, tca[TCA_RATE], ovr,
|
||||
extack);
|
||||
if (ret < 0)
|
||||
|
|
Loading…
Reference in a new issue