Stephen M. Cameron b7f7ed5565
cciss: Make cciss_seq_show handle holes in the h->drv[] array ...
commit 531c2dc70d339c5dfa8c3eb628c3459dc6f3a075 upstream.
It is possible (and expected) for there to be holes in the h->drv[]
array, that is, some elements may be NULL pointers. cciss_seq_show
needs to be made aware of this possibility to avoid an Oops.
To reproduce the Oops which this fixes:
1) Create two "arrays" in the Array Configuratino Utility and
several logical drives on each array.
2) cat /proc/driver/cciss/cciss* in an infinite loop
3) delete some of the logical drives in the first "array."
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com >
Signed-off-by: Jens Axboe <jens.axboe@oracle.com >
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de >
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Merge branches 'acerhdf', 'acpi-pci-bind', 'bjorn-pci-root', 'bugzilla-12904', 'bugzilla-13121', 'bugzilla-13396', 'bugzilla-13533', 'bugzilla-13612', 'c3_lock', 'hid-cleanups', 'misc-2.6.31', 'pdc-leak-fix', 'pnpacpi', 'power_nocheck', 'thinkpad_acpi', 'video' and 'wmi' into release
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2009-12-08 10:21:18 -08:00
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b7f7ed5565