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IB/ipath: fix for crash on module unload, if cfgports < portcnt

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Allocate enough pointers for all possible ports, to avoid problems in
cleanup/unload.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Bryan O'Sullivan 2006-08-25 11:24:28 -07:00 committed by Roland Dreier
parent c27fef2627
commit 8e280d94e2
1 changed files with 5 additions and 1 deletions
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6
drivers/infiniband/hw/ipath/ipath_init_chip.c
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@ -240,7 +240,11 @@ static int init_chip_first(struct ipath_devdata *dd,
"only supports %u\n", ipath_cfgports, "only supports %u\n", ipath_cfgports,
dd->ipath_portcnt); dd->ipath_portcnt);
} }
dd->ipath_pd = kzalloc(sizeof(*dd->ipath_pd) * dd->ipath_cfgports, /*
* Allocate full portcnt array, rather than just cfgports, because
* cleanup iterates across all possible ports.
*/
dd->ipath_pd = kzalloc(sizeof(*dd->ipath_pd) * dd->ipath_portcnt,
GFP_KERNEL); GFP_KERNEL);
if (!dd->ipath_pd) { if (!dd->ipath_pd) {