From: Dan Carpenter dan.carpenter@oracle.com
[ 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 --- drivers/infiniband/hw/qedr/main.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index 93040c994e2e..50b75bd4633c 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -362,6 +362,10 @@ 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 */ @@ -369,7 +373,7 @@ 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, @@ -423,6 +427,9 @@ 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;