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If napi has never been enabled when calling ipoib_ib_dev_stop, a kernel crash occurs, because the verbs layer completion handler (ipoib_ib_completion) calls napi_schedule unconditionally. If the napi structure passed in the napi_schedule call has not been initialized, napi will crash. The cleanest solution is to simply enable napi before calling ipoib_ib_dev_stop in the dev_open error flow. (dev_stop then immediately disables napi). Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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