From dc501fbc4389f6c15a8da14684b5926e0d9553da Mon Sep 17 00:00:00 2001 From: Ben Widawsky Date: Wed, 29 Jun 2011 11:41:51 -0700 Subject: [PATCH] drm/i915: Don't call describe_obj on NULL pointers Reported-by: Pavel Roskin Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38777 Cc: Chris Wilson Signed-off-by: Ben Widawsky Signed-off-by: Keith Packard --- drivers/gpu/drm/i915/i915_debugfs.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 4d46441cbe2d..0a893f7400fa 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1207,13 +1207,17 @@ static int i915_context_status(struct seq_file *m, void *unused) if (ret) return ret; - seq_printf(m, "power context "); - describe_obj(m, dev_priv->pwrctx); - seq_printf(m, "\n"); + if (dev_priv->pwrctx) { + seq_printf(m, "power context "); + describe_obj(m, dev_priv->pwrctx); + seq_printf(m, "\n"); + } - seq_printf(m, "render context "); - describe_obj(m, dev_priv->renderctx); - seq_printf(m, "\n"); + if (dev_priv->renderctx) { + seq_printf(m, "render context "); + describe_obj(m, dev_priv->renderctx); + seq_printf(m, "\n"); + } mutex_unlock(&dev->mode_config.mutex); -- 2.11.0