drm/i915: Fix an error handling in 'intel_framebuffer_init()'

We should go through the error handling path to decrease the
'framebuffer_references' as done everywhere else in this function.

Fixes: 2e2adb05736c ("drm/i915: Add render decompression support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170910085642.13673-1-christophe.jaillet@wanadoo.fr
(cherry picked from commit 37875d6b3af702425ce292de81b77faf94766616)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f17275519484bd8f598401269959c038fe139171..00cd17c76fdcc3bc5427f53bf45e416d66400655 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14030,7 +14030,7 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 
                if (mode_cmd->handles[i] != mode_cmd->handles[0]) {
                        DRM_DEBUG_KMS("bad plane %d handle\n", i);
-                       return -EINVAL;
+                       goto err;
                }
 
                stride_alignment = intel_fb_stride_alignment(fb, i);