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drm/i915: Don't call describe_obj on NULL pointers 

Reported-by: Pavel Roskin <proski@gnu.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38777
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Ben Widawsky 2011-06-29 11:41:51 -07:00 committed by Keith Packard
parent d70bed1947
commit dc501fbc43
1 changed files with 10 additions and 6 deletions
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16
drivers/gpu/drm/i915/i915_debugfs.c
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@ -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);