Allocating a workqueue might fail, which wasn't checked so far and would lead to NULL ptr derefs when an attempt to use it was made.
Signed-off-by: Sasha Levin <sasha.le...@oracle.com> --- drivers/infiniband/core/ucma.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index a53fc9b..30467d1 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1624,11 +1624,16 @@ static int ucma_open(struct inode *inode, struct file *filp) if (!file) return -ENOMEM; + file->close_wq = create_singlethread_workqueue("ucma_close_id"); + if (!file->close_wq) { + kfree(file); + return -ENOMEM; + } + INIT_LIST_HEAD(&file->event_list); INIT_LIST_HEAD(&file->ctx_list); init_waitqueue_head(&file->poll_wait); mutex_init(&file->mut); - file->close_wq = create_singlethread_workqueue("ucma_close_id"); filp->private_data = file; file->filp = filp; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html