diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 192b27e9046..72c73de3506 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -698,12 +698,16 @@ static int i915_error_state(struct seq_file *m, void *unused) int i, j, page, offset, elt; spin_lock_irqsave(&dev_priv->error_lock, flags); - if (!dev_priv->first_error) { + error = dev_priv->first_error; + if (error) + kref_get(&error->ref); + spin_unlock_irqrestore(&dev_priv->error_lock, flags); + + if (!error) { seq_printf(m, "no error state collected\n"); - goto out; + return 0; } - error = dev_priv->first_error; seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec, error->time.tv_usec); @@ -786,8 +790,7 @@ static int i915_error_state(struct seq_file *m, void *unused) if (error->display) intel_display_print_error_state(m, dev, error->display); -out: - spin_unlock_irqrestore(&dev_priv->error_lock, flags); + kref_put(&error->ref, i915_error_state_free); return 0; } |