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  1. 04 4月, 2015 6 次提交
    • A
      jhash: Update jhash_[321]words functions to use correct initval · 2e7056c4
      由 Alexander Duyck 提交于 
      Looking over the implementation for jhash2 and comparing it to jhash_3words
I realized that the two hashes were in fact very different.  Doing a bit of
digging led me to "The new jhash implementation" in which lookup2 was
supposed to have been replaced with lookup3.

In reviewing the patch I noticed that jhash2 had originally initialized a
and b to JHASH_GOLDENRATIO and c to initval, but after the patch a, b, and
c were initialized to initval + (length << 2) + JHASH_INITVAL.  However the
changes in jhash_3words simply replaced the initialization of a and b with
JHASH_INITVAL.

This change corrects what I believe was an oversight so that a, b, and c in
jhash_3words all have the same value added consisting of initval + (length
<< 2) + JHASH_INITVAL so that jhash2 and jhash_3words will now produce the
same hash result given the same inputs.

Fixes: 60d509c8 ("The new jhash implementation")
Signed-off-by: NAlexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      2e7056c4
    • D
      Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue · 5c5e0ad3
      由 David S. Miller 提交于 
      Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates 2015-04-03

This series contains updates to i40e and i40evf only.

Anjali provides a fix for verifying outer UDP receive checksum.  Also
adds helpful information to display when figuring out the cause of
HMC errors.

Mitch provides a fix to prevent a malicious or buggy VF driver from
sending an invalid index into the VSI array which could panic the host.
Cleans up the code where a function was moved, but the message did
not follow.  Adds protection to the VLAN filter list, same as the
MAC filter list, to protect from corruption if the watchdog happens
to run at the same time as a VLAN filter is being added/deleted.

Jesse changes several memcpy() statements to struct assignments which
are type safe and preferable.  Fixed a bug when skb allocation fails,
where we should not continue using the skb pointer.  Also fixed a void
function in FCoE which should not be returning anything.

Greg fixes both i40e and i40evf to set the Ethernet protocol correctly
when transmit VLAN offloads are disabled.

Shannon fixes up VLAN messages when ports are added or removed, which
were giving bogus index info.  Also aligned the message text style
with other messages in the driver.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      5c5e0ad3
    • R
      netdevice: document NETDEV_TX_BUSY deprecation. · e79d8429
      由 Rusty Russell 提交于 
      This paraphrases DaveM (and steals some of his words) explaining why
a device shouldn't return NETDEV_TX_BUSY, even though it looks so inviting
to driver authors.

See http://www.spinics.net/lists/netdev/msg322350.htmlInspired-by: NDavid Miller <davem@davemloft.net>
Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      e79d8429
    • D
      Merge branch 'ipv4-null-cmp' · 0bd66827
      由 David S. Miller 提交于 
      Ian Morris says:

====================
ipv4: coding style - comparisons with NULL

Per the suggestion of Joe Perches, attached is a patch which aligns the
coding style in ipv4 for comparisons with NULL.

The code uses multiple different styles when comparing with NULL (I.e.
x == NULL and !x as well as x != NULL and x). Generally the latter form
is preferred in netdev and so this changes aligns the code to this style.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      0bd66827
    • I
      ipv4: coding style: comparison for inequality with NULL · 00db4124
      由 Ian Morris 提交于 
      The ipv4 code uses a mixture of coding styles. In some instances check
for non-NULL pointer is done as x != NULL and sometimes as x. x is
preferred according to checkpatch and this patch makes the code
consistent by adopting the latter form.

No changes detected by objdiff.
Signed-off-by: NIan Morris <ipm@chirality.org.uk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      00db4124
    • I
      ipv4: coding style: comparison for equality with NULL · 51456b29
      由 Ian Morris 提交于 
      The ipv4 code uses a mixture of coding styles. In some instances check
for NULL pointer is done as x == NULL and sometimes as !x. !x is
preferred according to checkpatch and this patch makes the code
consistent by adopting the latter form.

No changes detected by objdiff.
Signed-off-by: NIan Morris <ipm@chirality.org.uk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      51456b29
  3. 03 4月, 2015 34 次提交