i915: add missing return in error path.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6a89449f31d1978504cbabed41a802de171942e9..a31ee3202f17baf9025ddbe94fedf89677bc30da 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -146,6 +146,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
        if (ret != 0) {
                drm_gem_object_unreference(obj);
                mutex_unlock(&dev->struct_mutex);
+               return ret;
        }
 
        offset = args->offset;