forked from Minki/linux
nvmet-fc: check successful reference in nvmet_fc_find_target_assoc
When searching for an association based on an association id, when there is a match, the code takes a reference. However, it is not validating that the reference taking was successful. Check the status of the reference. If unsuccessful, the device is being deleted and should be ignored. Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
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@ -1243,7 +1243,8 @@ nvmet_fc_find_target_assoc(struct nvmet_fc_tgtport *tgtport,
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list_for_each_entry(assoc, &tgtport->assoc_list, a_list) {
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if (association_id == assoc->association_id) {
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ret = assoc;
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nvmet_fc_tgt_a_get(assoc);
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if (!nvmet_fc_tgt_a_get(assoc))
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ret = NULL;
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break;
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}
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}
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