Messages in this thread Patch in this message | | | From | Insu Yun <> | Subject | [PATCH v2] i915: correctly handling failed allocation | Date | Wed, 30 Dec 2015 10:59:29 -0500 |
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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
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