virtio_net: fix truesize underestimation
virtio_net: fix truesize underestimation

We must account in skb->truesize, the size of the fragments, not the
used part of them.

Doing this work is important to avoid unexpected OOM situations.

Signed-off-by: Eric Dumazet <a0baddf32b28d2f9429941ed4af2fe636e210591@gmail.com>
CC: Rusty Russell <df9728c9e5104131c08c7adb03af425394842596@rustcorp.com.au>
CC: "Michael S. Tsirkin" <255103e50249e3d658441816e0597170ebfc16ef@redhat.com>
CC: 65ac89e807f0ba8b231fca45370e2e73a1754d6e@lists.linux-foundation.org
CC: Krishna Kumar <a758f1965fc476e21d55bc933f32c59cf6606720@in.ibm.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas