Commit 0cb4fe8d authored May 17, 2006 by Roland Dreier

IB/uverbs: Don't leak ref to mm on error path



In ib_umem_release_on_close(), if the kmalloc() fails, then a
reference to current->mm will be leaked.  Fix this by adding a mmput()
instead of just returning on kmalloc() failure.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

parent 093beac1

drivers/infiniband/core/uverbs_mem.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -211,8 +211,10 @@ void ib_umem_release_on_close(struct ib_device dev, struct ib_umem umem)
		*/

		work = kmalloc(sizeof *work, GFP_KERNEL);
		if (!work)
		if (!work) {
		mmput(mm);
		return;
		}

		INIT_WORK(&work->work, ib_umem_account, work);
		work->mm = mm;