Author: avg
Date: Tue Jul 16 08:36:49 2019
New Revision: 350025
URL: https://svnweb.freebsd.org/changeset/base/350025
Log:
bge: check that the bus is a pci bus before using it as such
This fixes the following panic on powerpc:
pci_get_vendor failed for pcib1 on bus ofwbus0, error = 2
PR: 238730
Reported by: Dennis Clarke <dcla...@blastwave.org>
Tested by: Dennis Clarke <dcla...@blastwave.org>
MFC after: 2 weeks
Modified:
head/sys/dev/bge/if_bge.c
Modified: head/sys/dev/bge/if_bge.c
==============================================================================
--- head/sys/dev/bge/if_bge.c Tue Jul 16 04:17:25 2019 (r350024)
+++ head/sys/dev/bge/if_bge.c Tue Jul 16 08:36:49 2019 (r350025)
@@ -3276,6 +3276,8 @@ bge_mbox_reorder(struct bge_softc *sc)
bus = device_get_parent(dev);
if (device_get_devclass(dev) != pcib)
break;
+ if (device_get_devclass(bus) != pci)
+ break;
for (i = 0; i < nitems(mbox_reorder_lists); i++) {
if (pci_get_vendor(dev) ==
mbox_reorder_lists[i].vendor &&
@@ -3287,8 +3289,6 @@ bge_mbox_reorder(struct bge_softc *sc)
return (1);
}
}
- if (device_get_devclass(bus) != pci)
- break;
}
return (0);
}
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