const int plen = skb->len;
int dlen = IPCOMP_SCRATCH_SIZE;
u8 *start = skb->data;
- const int cpu = get_cpu();
- u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu);
- struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu);
+ struct crypto_comp *tfm;
+ u8 *scratch;
int err;
local_bh_disable();
+ scratch = *this_cpu_ptr(ipcomp_scratches);
+ tfm = *this_cpu_ptr(ipcd->tfms);
err = crypto_comp_compress(tfm, start, plen, scratch, &dlen);
- local_bh_enable();
if (err)
goto out;
}
memcpy(start + sizeof(struct ip_comp_hdr), scratch, dlen);
- put_cpu();
+ local_bh_enable();
pskb_trim(skb, dlen + sizeof(struct ip_comp_hdr));
return 0;
out:
- put_cpu();
+ local_bh_enable();
return err;
}