[DPDK/core Bug 1559] rte_pktmbuf_pool_create doesn't set the correct rte_errno

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=1559

            Bug ID: 1559
           Summary: rte_pktmbuf_pool_create doesn't set the correct
                    rte_errno
           Product: DPDK
           Version: 24.03
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev at dpdk.org
          Reporter: g199209 at gmail.com
  Target Milestone: ---

rte_pktmbuf_pool_create --> rte_pktmbuf_pool_create_by_ops -->
rte_mempool_create_empty. In rte_mempool_create_empty, there's such logic: ret
= rte_mempool_set_ops_byname(mp, "xxx", NULL); rte_mempool_set_ops_byname
doesn't set rte_errno, but use return code to indicate errno. So
rte_mempool_create_empty should set rte_errno according to ret, but it forget
to do it.

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