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[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

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To clearly state the intent of copying from linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-03-27 18:55:52 -03:00
committed by David S. Miller
parent 2a123b86e2
commit d626f62b11
133 changed files with 321 additions and 230 deletions
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12
drivers/isdn/pcbit/capi.c
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@@ -429,8 +429,9 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
if (!(info->data.setup.CallingPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
memcpy(info->data.setup.CallingPN, skb->data + count + 1,
len - count);
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CallingPN,
len - count);
info->data.setup.CallingPN[len - count] = 0;
}
@@ -457,8 +458,9 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
if (!(info->data.setup.CalledPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
memcpy(info->data.setup.CalledPN, skb->data + count + 1,
len - count);
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CalledPN,
len - count);
info->data.setup.CalledPN[len - count] = 0;
}
@@ -539,7 +541,7 @@ int capi_decode_conn_actv_ind(struct pcbit_chan * chan, struct sk_buff *skb)
#ifdef DEBUG
if (len > 1 && len < 31) {
memcpy(str, skb->data + 2, len - 1);
skb_copy_from_linear_data_offset(skb, 2, str, len - 1);
str[len] = 0;
printk(KERN_DEBUG "Connected Party Number: %s\n", str);
}