From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 25 Oct 2022 15:32:32 +0000 (+0300)
Subject: RDMA/qedr: clean up work queue on failure in qedr_alloc_resources()
X-Git-Tag: v5.10.154~97
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4e1e4485b2520983b1cc47b3af278e9f4b9734a5;p=users%2Fdwmw2%2Flinux.git

RDMA/qedr: clean up work queue on failure in qedr_alloc_resources()

[ Upstream commit 7a47e077e503feb73d56e491ce89aa73b67a3972 ]

Add a check for if create_singlethread_workqueue() fails and also destroy
the work queue on failure paths.

Fixes: e411e0587e0d ("RDMA/qedr: Add iWARP connection management functions")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/Y1gBkDucQhhWj5YM@kili
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index 967641662b24a..d0bb61b7e419f 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -374,6 +374,10 @@ static int qedr_alloc_resources(struct qedr_dev *dev)
 	if (IS_IWARP(dev)) {
 		xa_init(&dev->qps);
 		dev->iwarp_wq = create_singlethread_workqueue("qedr_iwarpq");
+		if (!dev->iwarp_wq) {
+			rc = -ENOMEM;
+			goto err1;
+		}
 	}
 
 	/* Allocate Status blocks for CNQ */
@@ -381,7 +385,7 @@ static int qedr_alloc_resources(struct qedr_dev *dev)
 				GFP_KERNEL);
 	if (!dev->sb_array) {
 		rc = -ENOMEM;
-		goto err1;
+		goto err_destroy_wq;
 	}
 
 	dev->cnq_array = kcalloc(dev->num_cnq,
@@ -432,6 +436,9 @@ err3:
 	kfree(dev->cnq_array);
 err2:
 	kfree(dev->sb_array);
+err_destroy_wq:
+	if (IS_IWARP(dev))
+		destroy_workqueue(dev->iwarp_wq);
 err1:
 	kfree(dev->sgid_tbl);
 	return rc;