[v1,01/10] IB/iser: Fix module init not cleaning up on error flow

Commit Message

Sagi Grimberg Nov. 24, 2015, 4:23 p.m. UTC

From: Roi Dayan <[e-mail]>

Destroy workqueue on transport register error, also
release kmem cache on workqueue alloc error.

Signed-off-by: Roi Dayan <[e-mail]>
Signed-off-by: Sagi Grimberg <[e-mail]>
Reviewed-by: Christoph Hellwig <[e-mail]>
---
 drivers/infiniband/ulp/iser/iscsi_iser.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 9080161e01af..5e6c0bf1e84b 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -1059,7 +1059,8 @@  static int __init iser_init(void)
 	release_wq = alloc_workqueue("release workqueue", 0, 0);
 	if (!release_wq) {
 		iser_err("failed to allocate release workqueue\n");
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto err_alloc_wq;
 	}
 
 	iscsi_iser_scsi_transport = iscsi_register_transport(
@@ -1067,12 +1068,14 @@  static int __init iser_init(void)
 	if (!iscsi_iser_scsi_transport) {
 		iser_err("iscsi_register_transport failed\n");
 		err = -EINVAL;
-		goto register_transport_failure;
+		goto err_reg;
 	}
 
 	return 0;
 
-register_transport_failure:
+err_reg:
+	destroy_workqueue(release_wq);
+err_alloc_wq:
 	kmem_cache_destroy(ig.desc_cache);
 
 	return err;