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-rw-r--r--linux-core/sis_mm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/linux-core/sis_mm.c b/linux-core/sis_mm.c
index 7e162a8e..9222b08d 100644
--- a/linux-core/sis_mm.c
+++ b/linux-core/sis_mm.c
@@ -133,6 +133,7 @@ static int sis_drm_alloc(struct drm_device * dev, struct drm_file *file_priv,
dev_priv->agp_initialized)) {
DRM_ERROR
("Attempt to allocate from uninitialized memory manager.\n");
+ mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}