block: Use BdrvChild to discard

[qmiga/qemu.git] / block / copy-on-read.c

diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index 1dcdaee..a19164f 100644 (file)
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -116,7 +116,7 @@ static int coroutine_fn cor_co_pwrite_zeroes(BlockDriverState *bs,
 static int coroutine_fn cor_co_pdiscard(BlockDriverState *bs,
                                         int64_t offset, int bytes)
 {
-    return bdrv_co_pdiscard(bs->file->bs, offset, bytes);
+    return bdrv_co_pdiscard(bs->file, offset, bytes);
 }