Commit 212a0cbc authored Mar 09, 2018 by Doug Ledford

Revert "RDMA/mlx5: Fix integer overflow while resizing CQ"

The original commit of this patch has a munged log message that is
missing several of the tags the original author intended to be on the
patch.  This was due to patchworks misinterpreting a cut-n-paste
separator line as an end of message line and munging the mbox that was
used to import the patch:

https://patchwork.kernel.org/patch/10264089/



The original patch will be reapplied with a fixed commit message so the
proper tags are applied.

This reverts commit aa0de36a.

Signed-off-by: Doug Ledford <dledford@redhat.com>

parent a5880b84

drivers/infiniband/hw/mlx5/cq.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -1178,12 +1178,7 @@ static int resize_user(struct mlx5_ib_dev dev, struct mlx5_ib_cq cq,
		if (ucmd.reserved0 \|\| ucmd.reserved1)
		return -EINVAL;

		/* check multiplication overflow */
		if (ucmd.cqe_size && SIZE_MAX / ucmd.cqe_size <= entries - 1)
		return -EINVAL;

		umem = ib_umem_get(context, ucmd.buf_addr,
		(size_t)ucmd.cqe_size * entries,
		umem = ib_umem_get(context, ucmd.buf_addr, entries * ucmd.cqe_size,
		IB_ACCESS_LOCAL_WRITE, 1);
		if (IS_ERR(umem)) {
		err = PTR_ERR(umem);