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Commit 8e280d94 authored by Bryan O'Sullivan's avatar Bryan O'Sullivan Committed by Roland Dreier
Browse files

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: default avatarBryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent c27fef26

drivers/infiniband/hw/ipath/ipath_init_chip.c

+5 −1
Original line number Original line Diff line number Diff line
@@ -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) {