3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dave Airlie <airl...@redhat.com>

commit de47a9cd62771e3e78954d855d2304fbad4c5a44 upstream.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=45503

Reported-and-Debugged-by: mlam...@gmail.com
Signed-off-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
 drivers/gpu/drm/radeon/radeon_atpx_handler.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c 
b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 13ac63b..98724fc 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -59,8 +59,9 @@ static int radeon_atrm_call(acpi_handle atrm_handle, uint8_t 
*bios,
 
        obj = (union acpi_object *)buffer.pointer;
        memcpy(bios+offset, obj->buffer.pointer, obj->buffer.length);
+       len = obj->buffer.length;
        kfree(buffer.pointer);
-       return obj->buffer.length;
+       return len;
 }
 
 bool radeon_atrm_supported(struct pci_dev *pdev)


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