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authorMike Marciniszyn <mike.marciniszyn@qlogic.com>2011-01-10 17:42:20 -0800
committerRoland Dreier <rolandd@cisco.com>2011-01-10 17:42:20 -0800
commit6676b3f746ff164a4a367c9aa5ae4b5b1145083c (patch)
tree4a9d0ce7dc03a56cae8f2c95da9a55d670933697 /drivers
parent5dbbcb97cc55dd6e0c34cf06f9e1ee181247d054 (diff)
IB/qib: Fix context allocation with multiple HCAs
The driver was incorrectly choosing HCAs on which to allocate new user contexts based on overall count of usable ports regardless whether the usable port was on the currently selected HCA. Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/qib/qib_file_ops.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 79d9971aff1f..75bfad16c114 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1379,17 +1379,17 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo,
/* find device (with ACTIVE ports) with fewest ctxts in use */
for (ndev = 0; ndev < devmax; ndev++) {
struct qib_devdata *dd = qib_lookup(ndev);
- unsigned cused = 0, cfree = 0;
+ unsigned cused = 0, cfree = 0, pusable = 0;
if (!dd)
continue;
if (port && port <= dd->num_pports &&
usable(dd->pport + port - 1))
- dusable = 1;
+ pusable = 1;
else
for (i = 0; i < dd->num_pports; i++)
if (usable(dd->pport + i))
- dusable++;
- if (!dusable)
+ pusable++;
+ if (!pusable)
continue;
for (ctxt = dd->first_user_ctxt; ctxt < dd->cfgctxts;
ctxt++)
@@ -1397,7 +1397,7 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo,
cused++;
else
cfree++;
- if (cfree && cused < inuse) {
+ if (pusable && cfree && cused < inuse) {
udd = dd;
inuse = cused;
}