[Intel-gfx] [PATCH] drm/i915: Drop rpm wakeref on error in debugfs/i915_drop_caches_set

[Joonas Lahtinen]

Use single exit point to drop rpm wakeref in case of an error.

Fixes: 9d3eb2c33f03 ("drm/i915: Hold rpm wakeref for debugfs/i915_drop_caches_set")
Signed-off-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 2e01159f365d..5b37d5f8e132 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4197,7 +4197,7 @@ i915_drop_caches_set(void *data, u64 val)
 	if (val & (DROP_ACTIVE | DROP_RETIRE | DROP_RESET_SEQNO)) {
 		ret = mutex_lock_interruptible(&i915->drm.struct_mutex);
 		if (ret)
-			return ret;
+			goto out;
 
 		if (val & DROP_ACTIVE)
 			ret = i915_gem_wait_for_idle(i915,
@@ -4244,6 +4244,7 @@ i915_drop_caches_set(void *data, u64 val)
 	if (val & DROP_FREED)
 		i915_gem_drain_freed_objects(i915);
 
+out:
 	intel_runtime_pm_put(i915);
 
 	return ret;
-- 
2.17.2