Patch "RDMA/qedr: clean up work queue on failure in qedr_alloc_resources()" has been added to the 6.0-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

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

to the 6.0-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     rdma-qedr-clean-up-work-queue-on-failure-in-qedr_all.patch
and it can be found in the queue-6.0 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 01700e1a2ab96f05d95ee2022b8186f6e1315cab
Author: Dan Carpenter <error27@xxxxxxxxx>
Date:   Tue Oct 25 18:32:32 2022 +0300

    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@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/Y1gBkDucQhhWj5YM@kili
    Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
    Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index 5152f10d2e6d..ba0c3e4c07d8 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -344,6 +344,10 @@ 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 */
@@ -351,7 +355,7 @@ 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,
@@ -402,6 +406,9 @@ static int qedr_alloc_resources(struct qedr_dev *dev)
 	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;