nvmet: fix error flow in nvmet_alloc_ctrl()

Remove the allocated id on error.

Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index b54748a..07eb45d 100644 (file)
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -830,7 +830,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
                /* Don't accept keep-alive timeout for discovery controllers */
                if (kato) {
                        status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
-                       goto out_free_sqs;
+                       goto out_remove_ida;
                }
 
                /*
@@ -860,6 +860,8 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
        *ctrlp = ctrl;
        return 0;
 
+out_remove_ida:
+       ida_simple_remove(&cntlid_ida, ctrl->cntlid);
 out_free_sqs:
        kfree(ctrl->sqs);
 out_free_cqs: