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MDEV-27900 fixes

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* prevent infinite recursion in beyond-EOF reads (when pread returns 0)
* reduce code duplication

followup for d78173828e and f4fb6cb3fe
This commit is contained in:
Sergei Golubchik
2022-03-24 15:43:20 +01:00
parent e9e6db9355
commit f92388fa14
4 changed files with 14 additions and 19 deletions
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3
tpool/aio_linux.cc
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@@ -128,8 +128,7 @@ class aio_linux final : public aio
{
iocb->m_ret_len= event.res;
iocb->m_err= 0;
if (iocb->m_ret_len != iocb->m_len)
finish_synchronous(iocb);
finish_synchronous(iocb);
}
iocb->m_internal_task.m_func= iocb->m_callback;
iocb->m_internal_task.m_arg= iocb;