[PATCH] nvmet: fix memory leak on nvmet_alloc_ctrl()

From: Wu Bo
Date: Tue May 18 2021 - 04:21:05 EST


From: Wu Bo <wubo40@xxxxxxxxxx>

When cntlid_min is greater than cntlid_max,
goto wrong label, should be goto out_free_sqs
label. Otherwise there is a memory leak problem
on the nvmet_alloc_ctrl function().

Fixes: 94a39d61f80f ("nvmet: make ctrl-id configurable")
Fixes: 6d65aeab7bf6e ("nvmet: remove unused ctrl->cqs")
Signed-off-by: Wu Bo <wubo40@xxxxxxxxxx>
---
drivers/nvme/target/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 25cc2ee8de3f..1853db38b682 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -1372,7 +1372,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
goto out_free_changed_ns_list;

if (subsys->cntlid_min > subsys->cntlid_max)
- goto out_free_changed_ns_list;
+ goto out_free_sqs;

ret = ida_simple_get(&cntlid_ida,
subsys->cntlid_min, subsys->cntlid_max,
--
2.30.0