From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Thu, 11 Aug 2016 22:05:08 +0000 (+0300)
Subject: USB: serial: mos7720: fix non-atomic allocation in write path
X-Git-Tag: v3.2.84~85
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3536a90c4806a7bc780eaf8c3960df416a93082;p=pandora-kernel.git

USB: serial: mos7720: fix non-atomic allocation in write path

commit 5a5a1d614287a647b36dff3f40c2b0ceabbc83ec upstream.

There is an allocation with GFP_KERNEL flag in mos7720_write(),
while it may be called from interrupt context.

Follow-up for commit 191252837626 ("USB: kobil_sct: fix non-atomic
allocation in write path")

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Johan Hovold <johan@kernel.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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