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drm/i915: Fix context locking in debugfs

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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: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-05-29 23:23:08 +02:00
parent be19f0ff48
commit f3d28878da
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_debugfs.c
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@ -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;
}