From: Oliver Neukum <oliver@neukum.org>
Date: Wed, 5 Sep 2012 19:22:32 +0000 (+0200)
Subject: Revert "usbnet: drop unneeded check for NULL"
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~47^2~214
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6fe569fe056388166575af1cfaed0bcbc688305;p=pandora-kernel.git

Revert "usbnet: drop unneeded check for NULL"

This reverts commit 5d65878d7031b6c39054b282faceff406bb2fda9.
The upper layers call usbnet_start_xmit() with a valid skb.
However cdc_ncm abuses this method by calling it with NULL
to trigger IO for the aggregated private skb holding erlier
packets. Until cdc_ncm is fixed, the check for NULL must
be reintroduced.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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