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White Rabbit Network Interface Card
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a1637b7d
Commit
a1637b7d
authored
Aug 21, 2015
by
Alessandro Rubini
Committed by
Miguel Jimenez Lopez
Sep 04, 2019
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kernel/wr-nic: trivial: fix a possible issue once every 64k timestamps
Signed-off-by:
Alessandro Rubini
<
rubini@gnudd.com
>
parent
ca35fc55
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nic-core.c
kernel/wr_nic/nic-core.c
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kernel/wr_nic/nic-core.c
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a1637b7d
...
...
@@ -188,7 +188,7 @@ static int wrn_start_xmit(struct sk_buff *skb, struct net_device *dev)
desc
=
__wrn_alloc_tx_desc
(
wrn
);
id
=
(
wrn
->
id
++
)
&
0xffff
;
if
(
id
==
0
)
/* 0 cannot be used in the SPEC; irrelevant in WRS */
id
=
wrn
->
id
++
;
id
=
(
wrn
->
id
++
)
&
0xffff
;
spin_unlock_irqrestore
(
&
wrn
->
lock
,
flags
);
if
(
desc
<
0
)
/* error */
...
...
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