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Commit f3d28878 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/i915: Fix context locking in debugfs 



This goes all the way back to the introduction of this debugfs file,
even though back then no locking really was required. None of the
intermediate patches fixed this.

Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent be19f0ff

drivers/gpu/drm/i915/i915_debugfs.c

+2 −2
Original line number Diff line number Diff line
@@ -1721,7 +1721,7 @@ static int i915_context_status(struct seq_file *m, void *unused) 
	struct intel_context *ctx;

	int ret, i;



	ret = mutex_lock_interruptible(&dev->mode_config.mutex);

	ret = mutex_lock_interruptible(&dev->struct_mutex);

	if (ret)

		return ret;
@@ -1751,7 +1751,7 @@ static int i915_context_status(struct seq_file *m, void *unused) 
		seq_putc(m, '\n');

	}



	mutex_unlock(&dev->mode_config.mutex);

	mutex_unlock(&dev->struct_mutex);



	return 0;

}