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nvmet-fc: ensure target queue id within range.

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When searching for queue id's ensure they are within the expected range.

Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
James Smart 2017-09-19 16:33:56 -07:00 committed by Jens Axboe
parent 3688feb582
commit 0c319d3a14
1 changed files with 3 additions and 0 deletions
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3
drivers/nvme/target/fc.c
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@ -783,6 +783,9 @@ nvmet_fc_find_target_queue(struct nvmet_fc_tgtport *tgtport,
u16 qid = nvmet_fc_getqueueid(connection_id); u16 qid = nvmet_fc_getqueueid(connection_id);
unsigned long flags; unsigned long flags;
if (qid > NVMET_NR_QUEUES)
return NULL;
spin_lock_irqsave(&tgtport->lock, flags); spin_lock_irqsave(&tgtport->lock, flags);
list_for_each_entry(assoc, &tgtport->assoc_list, a_list) { list_for_each_entry(assoc, &tgtport->assoc_list, a_list) {
if (association_id == assoc->association_id) { if (association_id == assoc->association_id) {