1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 9d95792bea3e..c666a5b5e505 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -58,7 +58,7 @@ static int radeon_atrm_call(acpi_handle atrm_handle, uint8_t *bios,
         }
 
         obj = (union acpi_object *)buffer.pointer;
-        memcpy(bios+offset, obj->buffer.pointer, len);
+        memcpy(bios+offset, obj->buffer.pointer, obj->buffer.length);
         kfree(buffer.pointer);
         return len;
 }