--- /dev/null
+From 83d04c39f9048807a8500e575ae3f1718a3f45bb Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Mon, 13 Oct 2014 13:23:48 -0400
+Subject: drm/radeon: initialize sadb to NULL in the audio code
+
+From: Alex Deucher <alexander.deucher@amd.com>
+
+commit 83d04c39f9048807a8500e575ae3f1718a3f45bb upstream.
+
+Fixes kfree of the sadb buffer when it's NULL.
+
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/gpu/drm/radeon/dce3_1_afmt.c | 2 +-
+ drivers/gpu/drm/radeon/dce6_afmt.c | 2 +-
+ drivers/gpu/drm/radeon/evergreen_hdmi.c | 2 +-
+ 3 files changed, 3 insertions(+), 3 deletions(-)
+
+--- a/drivers/gpu/drm/radeon/dce3_1_afmt.c
++++ b/drivers/gpu/drm/radeon/dce3_1_afmt.c
+@@ -32,7 +32,7 @@ static void dce3_2_afmt_write_speaker_al
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ u32 tmp;
+- u8 *sadb;
++ u8 *sadb = NULL;
+ int sad_count;
+
+ list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
+--- a/drivers/gpu/drm/radeon/dce6_afmt.c
++++ b/drivers/gpu/drm/radeon/dce6_afmt.c
+@@ -155,7 +155,7 @@ void dce6_afmt_write_speaker_allocation(
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ u32 offset, tmp;
+- u8 *sadb;
++ u8 *sadb = NULL;
+ int sad_count;
+
+ if (!dig || !dig->afmt || !dig->afmt->pin)
+--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
++++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
+@@ -102,7 +102,7 @@ static void dce4_afmt_write_speaker_allo
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ u32 tmp;
+- u8 *sadb;
++ u8 *sadb = NULL;
+ int sad_count;
+
+ list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {