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INTRNG - fix MSI/MSIX release path
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Authored by gonzo on Oct 9 2016, 8:41 PM.
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Details

Summary

Use isrc in attached MSI data structure instead of using map's
isrc directly. map's isrc is set to NULL on IRQ deactivation
which happens prior to pci_release_msi so MSI_RELEASE_MSI
receives array of NULLs

Test Plan

Use Tegra Jetson-TK1 for tests. Put if_iwn device in PCIe slot,
kldload if_iwn; kldunload if_iwn crashes kernel without this patch
and everything is OK with this patch

Diff Detail

Repository
rS FreeBSD src repository - subversion
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Event Timeline

gonzo retitled this revision from to INTRNG - fix MSI/MSIX release path.
gonzo updated this object.
gonzo edited the test plan for this revision. (Show Details)
gonzo added reviewers: mmel, andrew.
mmel edited edge metadata.
This revision is now accepted and ready to land.Oct 10 2016, 4:58 PM
This revision was automatically updated to reflect the committed changes.