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[NET]: Make second arg to skb_reserved() signed.

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Some subsystems, such as PPP, can send negative values
here.  It just happened to work correctly on 32-bit with
an unsigned value, but on 64-bit this explodes.

Figured out by Paul Mackerras based upon several PPP crash
reports.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-01-17 02:54:21 -08:00
parent f09484ff87
commit 8243126c5e
1 changed files with 1 additions and 1 deletions
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2
include/linux/skbuff.h
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@ -926,7 +926,7 @@ static inline int skb_tailroom(const struct sk_buff *skb)
* Increase the headroom of an empty &sk_buff by reducing the tail
* room. This is only allowed for an empty buffer.
*/
static inline void skb_reserve(struct sk_buff *skb, unsigned int len)
static inline void skb_reserve(struct sk_buff *skb, int len)
{
skb->data += len;
skb->tail += len;