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Red Hat Bugzilla – Attachment 301986 Details for
Bug 441832
mptscsi race between hotremove and mptscsih_bus_reset
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[patch]
Check for NULL pointers when retrieving vdevice / vdevice->vtarget in mptscsih_bus_reset
mpt_bus_reset.patch (text/plain), 638 bytes, created by
Bryn M. Reeves
on 2008-04-10 13:54:37 UTC
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Description:
Check for NULL pointers when retrieving vdevice / vdevice->vtarget in mptscsih_bus_reset
Filename:
MIME Type:
Creator:
Bryn M. Reeves
Created:
2008-04-10 13:54:37 UTC
Size:
638 bytes
patch
obsolete
>diff -up linux-2.6.18/drivers/message/fusion/mptscsih.c.mpt_bus_reset linux-2.6.18/drivers/message/fusion/mptscsih.c >--- linux-2.6.18/drivers/message/fusion/mptscsih.c.mpt_bus_reset 2008-04-10 14:06:26.000000000 +0100 >+++ linux-2.6.18/drivers/message/fusion/mptscsih.c 2008-04-10 14:07:10.000000000 +0100 >@@ -1980,6 +1980,9 @@ mptscsih_bus_reset(struct scsi_cmnd * SC > hd->timeouts++; > > vdevice = SCpnt->device->hostdata; >+ if (!vdevice || !vdevice->vtarget) >+ return SUCCESS; >+ > retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, > vdevice->vtarget->channel, 0, 0, 0, mptscsih_get_tm_timeout(ioc)); > >
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bug 441832
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