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* can: Fix copy_from_user() results interpretationSam Ravnborg2008-04-271-11/+10
| | | | | | | | | | | Both copy_to_ and _from_user return the number of bytes, that failed to reach their destination, not the 0/-EXXX values. Based on patch from Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Fix wrong interpretation of some copy_to_user() results.Pavel Emelyanov2008-04-251-1/+2
| | | | | | | | | | I found some places, that erroneously return the value obtained from the copy_to_user() call: if some amount of bytes were not able to get to the user (this is what this one returns) the proper behavior is to return the -EFAULT error, not that number itself. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.YOSHIFUJI Hideaki2008-03-261-1/+1
| | | | | | | | Introduce per-net_device inlines: dev_net(), dev_net_set(). Without CONFIG_NET_NS, no namespace other than &init_net exists. Let's explicitly define them to help compiler optimizations. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* [CAN]: Minor clean-upsUrs Thuermann2008-02-071-15/+9
| | | | | | | | | | Remove unneeded variable. Rename local variable error to err like in all other places. Some white-space changes. Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CAN]: Add raw protocolOliver Hartkopp2008-01-281-0/+763
This patch adds the CAN raw protocol. Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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