IB/ipath: fix for crash on module unload, if cfgports < portcnt
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>
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1 changed files with 5 additions and 1 deletions
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@ -240,7 +240,11 @@ static int init_chip_first(struct ipath_devdata *dd,
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"only supports %u\n", ipath_cfgports,
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dd->ipath_portcnt);
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}
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dd->ipath_pd = kzalloc(sizeof(*dd->ipath_pd) * dd->ipath_cfgports,
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/*
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* Allocate full portcnt array, rather than just cfgports, because
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* cleanup iterates across all possible ports.
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*/
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dd->ipath_pd = kzalloc(sizeof(*dd->ipath_pd) * dd->ipath_portcnt,
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GFP_KERNEL);
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if (!dd->ipath_pd) {
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