linux/drivers/net/arm
Herbert Xu 5b057c6b1a [NET]: Avoid allocating skb in skb_pad
First of all it is unnecessary to allocate a new skb in skb_pad since
the existing one is not shared.  More importantly, our hard_start_xmit
interface does not allow a new skb to be allocated since that breaks
requeueing.

This patch uses pskb_expand_head to expand the existing skb and linearize
it if needed.  Actually, someone should sift through every instance of
skb_pad on a non-linear skb as they do not fit the reasons why this was
originally created.

Incidentally, this fixes a minor bug when the skb is cloned (tcpdump,
TCP, etc.).  As it is skb_pad will simply write over a cloned skb.  Because
of the position of the write it is unlikely to cause problems but still
it's best if we don't do it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-23 02:06:41 -07:00
..
Kconfig [PATCH] AT91RM9200 Ethernet driver 2006-03-24 12:10:55 -05:00
Makefile [PATCH] AT91RM9200 Ethernet driver 2006-03-24 12:10:55 -05:00
am79c961a.c [PATCH] handle errors returned by platform_get_irq*() 2006-03-20 13:42:57 -08:00
am79c961a.h [ARM] Convert EBSA110 network driver to a platform driver 2005-10-31 17:14:57 +00:00
at91_ether.c [PATCH] AT91RM9200 Ethernet #4: Suspend/Resume 2006-06-22 22:56:21 -04:00
at91_ether.h [PATCH] AT91RM9200 Ethernet #3: Cleanup 2006-06-22 22:56:21 -04:00
ether1.c [NET]: Avoid allocating skb in skb_pad 2006-06-23 02:06:41 -07:00
ether1.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ether3.c [NET]: Avoid allocating skb in skb_pad 2006-06-23 02:06:41 -07:00
ether3.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
etherh.c [PATCH] drivers/net/*: use time_after() and friends 2006-01-17 07:59:23 -05:00