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authorMike Marciniszyn <mike.marciniszyn@qlogic.com>2011-01-11 01:42:20 (GMT)
committerRoland Dreier <rolandd@cisco.com>2011-01-11 01:42:20 (GMT)
commit5dbbcb97cc55dd6e0c34cf06f9e1ee181247d054 (patch)
tree14eb055d1e816e494d29db014d4c3b0c0fec6de2 /drivers/infiniband/hw
parentb3d5cb2f2067b30da53aa67e42fdd733030fb411 (diff)
downloadlinux-fsl-qoriq-5dbbcb97cc55dd6e0c34cf06f9e1ee181247d054.tar.xz
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 f3b5039..7896afb 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;
/* set number of contexts we'll actually use */
void qib_set_ctxtcnt(struct qib_devdata *dd)
{
- if (!qib_cfgctxts)
+ if (!qib_cfgctxts) {
dd->cfgctxts = dd->first_user_ctxt + num_online_cpus();
- else if (qib_cfgctxts < dd->num_pports)
+ if (dd->cfgctxts > dd->ctxtcnt)
+ dd->cfgctxts = dd->ctxtcnt;
+ } else if (qib_cfgctxts < dd->num_pports)
dd->cfgctxts = dd->ctxtcnt;
else if (qib_cfgctxts <= dd->ctxtcnt)
dd->cfgctxts = qib_cfgctxts;