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* [PATCH v2] i915: correctly handling failed allocation
@ 2015-12-30 15:59 Insu Yun
  2016-01-04  8:14 ` ✗ warning: Fi.CI.BAT Patchwork
  2016-01-04 14:06   ` Jani Nikula
  0 siblings, 2 replies; 4+ messages in thread
From: Insu Yun @ 2015-12-30 15:59 UTC (permalink / raw)
  To: daniel.vetter, jani.nikula, airlied, intel-gfx, dri-devel, linux-kernel
  Cc: taesoo, yeongjin.jang, insu, changwoo, Insu Yun

Since devm_kzalloc can be failed, it needs to be checked
if not, NULL dereference could be happened.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
---
 drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index a5e99ac..aa1f7bc 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -666,6 +666,8 @@ struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id)
 
 	/* This is cheating a bit with the cleanup. */
 	vbt_panel = devm_kzalloc(dev->dev, sizeof(*vbt_panel), GFP_KERNEL);
+	if (!vbt_panel)
+		return NULL;
 
 	vbt_panel->intel_dsi = intel_dsi;
 	drm_panel_init(&vbt_panel->panel);
-- 
1.9.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2016-01-04 14:06 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2015-12-30 15:59 [PATCH v2] i915: correctly handling failed allocation Insu Yun
2016-01-04  8:14 ` ✗ warning: Fi.CI.BAT Patchwork
2016-01-04 14:06 ` [PATCH v2] i915: correctly handling failed allocation Jani Nikula
2016-01-04 14:06   ` Jani Nikula

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