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drive mirror:fix memory leak

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In the function mirror_iteration() -> qemu_iovec_init(),
it allocates memory for op->qiov.iov, when the write request calls back,
but in the function mirror_iteration_done(), it only frees the op,
not free the op->qiov.iov, so this causes memory leak.

It should use qemu_iovec_destroy() to free op->qiov.

Signed-off-by: Zhang Min <rudy.zhangmin@huawei.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Zhang Min 2014-01-23 15:59:16 +08:00 committed by Kevin Wolf
parent 9cd767376f
commit 6df3bf8eb3
1 changed files with 1 additions and 0 deletions
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block/mirror.c
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@ -96,6 +96,7 @@ static void mirror_iteration_done(MirrorOp *op, int ret)
bitmap_set(s->cow_bitmap, chunk_num, nb_chunks);
}
qemu_iovec_destroy(&op->qiov);
g_slice_free(MirrorOp, op);
qemu_coroutine_enter(s->common.co, NULL);
}