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-rw-r--r--linux/i830_dma.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/linux/i830_dma.c b/linux/i830_dma.c
index 1018fdcb..b76d2b11 100644
--- a/linux/i830_dma.c
+++ b/linux/i830_dma.c
@@ -280,7 +280,8 @@ static int i830_dma_cleanup(drm_device_t *dev)
for (i = 0; i < dma->buf_count; i++) {
drm_buf_t *buf = dma->buflist[ i ];
drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total);
+ if ( buf_priv->kernel_virtual && buf->total )
+ DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total);
}
}
return 0;