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(parent: 923347b) | patch
macvtap: signal truncated packets
authorJason Wang <jasowang@redhat.com>
Mon, 9 Dec 2013 10:25:17 +0000 (18:25 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 11 Dec 2013 03:06:49 +0000 (22:06 -0500)
commit730054da3868c35809fd31a4018044ab10b0e215
tree7b83e6854b19f4204e8785977f97ac3ff51df03atree | snapshot
parent923347bb83c67c3a572b04decb5875c3adb0d306commit | diff
macvtap: signal truncated packets

macvtap_put_user() never return a value grater than iov length, this in fact
bypasses the truncated checking in macvtap_recvmsg(). Fix this by always
returning the size of packet plus the possible vlan header to let the truncated
checking work.

Cc: Vlad Yasevich <vyasevich@gmail.com>
Cc: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/macvtap.c diff | blob | history
Domain: System / Kernel;