From 9b2b5c9a790743ccb2516f1a86671d5df9c6c5cd Mon Sep 17 00:00:00 2001
From: Frank Praznik <frank.praznik@oh.rr.com>
Date: Wed, 12 Nov 2014 14:10:09 -0500
Subject: [PATCH] HID: sony: Use kernel allocated buffers for HID reports

Replace stack buffers with kernel allocated buffers for sending
and receiving HID reports to prevent issues with DMA transfers
on certain hardware.

Output report buffers are allocated at initialization time to avoid
excessive calls to kmalloc and kfree.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=87991
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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