diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/mad.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c index 37b19bfae02a..661ba707fc60 100644 --- a/drivers/infiniband/hw/hfi1/mad.c +++ b/drivers/infiniband/hw/hfi1/mad.c @@ -151,13 +151,24 @@ static struct trap_node *check_and_add_trap(struct hfi1_ibport *ibp, unsigned long flags; unsigned long timeout; int found = 0; + unsigned int queue_id; + static int trap_count; + + queue_id = trap->data.generic_type & 0x0F; + if (queue_id >= RVT_MAX_TRAP_LISTS) { + trap_count++; + pr_err_ratelimited("hfi1: Invalid trap 0x%0x dropped. Total dropped: %d\n", + trap->data.generic_type, trap_count); + kfree(trap); + return NULL; + } /* * Since the retry (handle timeout) does not remove a trap request * from the list, all we have to do is compare the node. */ spin_lock_irqsave(&ibp->rvp.lock, flags); - trap_list = &ibp->rvp.trap_lists[trap->data.generic_type & 0x0F]; + trap_list = &ibp->rvp.trap_lists[queue_id]; list_for_each_entry(node, &trap_list->list, list) { if (node == trap) { |