[dpdk-stable] [PATCH 20.11] Coverity issue: When IAVF driver used, some operation such as setting mtu will cause coredump if there is secondary process. Bugzilla ID: NA Fixes: Because secondary process wrongly modify shared data of rte_eth_dev. After iavf_dev_stop exec

[Yang, Ming 1. (NSB - CN/Hangzhou)]

Hi DPDK maintainer,

We want to upstream our dpdk patch for fixing bug. But it seems that "git send-email" still can't be work. Can you review and apply this patch to branch 20.11 of git repository dpdk_stable.

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Coverity issue: When IAVF driver used, some operation such as setting mtu will cause coredump if there is secondary process.
Bugzilla ID: NA
Fixes: Because secondary process wrongly modify shared data of rte_eth_dev. After iavf_dev_stop execute in primary process, rxq->ops->release_mbufs may be NULL point. Fix prevent secondary process to modify these shared data.
Cc: stable at dpdk.org<mailto:stable at dpdk.org>

Brs,
Yang Ming