From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 26 Aug 2009 09:28:28 +0000 (+0530)
Subject: virtio_net: Check for room in the vq before adding buffer
X-Git-Tag: v2.6.32-rc1~21^2~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0aea51c37fc5868cd723f670af9056c2ef694fee;p=pandora-kernel.git

virtio_net: Check for room in the vq before adding buffer

Saves us one cycle of alloc-add-free if the queue was full.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (modified)
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