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Message-Id: <1451491169-35068-1-git-send-email-wuninsu@gmail.com> Date: Wed, 30 Dec 2015 10:59:29 -0500 From: Insu Yun <wuninsu@...il.com> To: daniel.vetter@...el.com, jani.nikula@...ux.intel.com, airlied@...ux.ie, intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Cc: taesoo@...ech.edu, yeongjin.jang@...ech.edu, insu@...ech.edu, changwoo@...ech.edu, Insu Yun <wuninsu@...il.com> Subject: [PATCH v2] i915: correctly handling failed allocation Since devm_kzalloc can be failed, it needs to be checked if not, NULL dereference could be happened. Signed-off-by: Insu Yun <wuninsu@...il.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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