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authorMike Marciniszyn <mike.marciniszyn@qlogic.com>2011-01-10 20:42:20 -0500
committerRoland Dreier <rolandd@cisco.com>2011-01-10 20:42:20 -0500
commit5dbbcb97cc55dd6e0c34cf06f9e1ee181247d054 (patch)
tree14eb055d1e816e494d29db014d4c3b0c0fec6de2 /drivers/infiniband/hw
parentb3d5cb2f2067b30da53aa67e42fdd733030fb411 (diff)
IB/qib: Fix multi-Florida HCA host panic on reboot
Add check when setting configured contexts that the value does not exceed the number of contexts allocated for the card. If the value exceeds the already allocated count, set it to what is already allocated. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index f3b503936043..7896afbb9ce8 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -92,9 +92,11 @@ unsigned long *qib_cpulist;
92/* set number of contexts we'll actually use */ 92/* set number of contexts we'll actually use */
93void qib_set_ctxtcnt(struct qib_devdata *dd) 93void qib_set_ctxtcnt(struct qib_devdata *dd)
94{ 94{
95 if (!qib_cfgctxts) 95 if (!qib_cfgctxts) {
96 dd->cfgctxts = dd->first_user_ctxt + num_online_cpus(); 96 dd->cfgctxts = dd->first_user_ctxt + num_online_cpus();
97 else if (qib_cfgctxts < dd->num_pports) 97 if (dd->cfgctxts > dd->ctxtcnt)
98 dd->cfgctxts = dd->ctxtcnt;
99 } else if (qib_cfgctxts < dd->num_pports)
98 dd->cfgctxts = dd->ctxtcnt; 100 dd->cfgctxts = dd->ctxtcnt;
99 else if (qib_cfgctxts <= dd->ctxtcnt) 101 else if (qib_cfgctxts <= dd->ctxtcnt)
100 dd->cfgctxts = qib_cfgctxts; 102 dd->cfgctxts = qib_cfgctxts;