From 549e8292a1e7712d401cc8b8df88286cdfff9f08 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 15 Jan 2013 17:42:15 +0100
Subject: [PATCH] ALSA: hda/ca0132 - Fix possible NULL dereference

Spotted by smatch,
  sound/pci/hda/patch_ca0132.c:1950 dspxfr_image() error: potential
  null dereference 'dma_engine'.  (kzalloc returns null)
  sound/pci/hda/patch_ca0132.c:1950 dspxfr_image() error: we
  previously assumed 'dma_engine' could be null (see line 1857)

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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