Merge tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull uninitialized_var() macro removal from Kees Cook:
 "This is long overdue, and has hidden too many bugs over the years. The
  series has several "by hand" fixes, and then a trivial treewide
  replacement.

   - Clean up non-trivial uses of uninitialized_var()

   - Update documentation and checkpatch for uninitialized_var() removal

   - Treewide removal of uninitialized_var()"

* tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  compiler: Remove uninitialized_var() macro
  treewide: Remove uninitialized_var() usage
  checkpatch: Remove awareness of uninitialized_var() macro
  mm/debug_vm_pgtable: Remove uninitialized_var() usage
  f2fs: Eliminate usage of uninitialized_var() macro
  media: sur40: Remove uninitialized_var() usage
  KVM: PPC: Book3S PR: Remove uninitialized_var() usage
  clk: spear: Remove uninitialized_var() usage
  clk: st: Remove uninitialized_var() usage
  spi: davinci: Remove uninitialized_var() usage
  ide: Remove uninitialized_var() usage
  rtlwifi: rtl8192cu: Remove uninitialized_var() usage
  b43: Remove uninitialized_var() usage
  drbd: Remove uninitialized_var() usage
  x86/mm/numa: Remove uninitialized_var() usage
  docs: deprecated.rst: Add uninitialized_var()

drivers/infiniband/hw/cxgb4/cm.c

@@ -3282,7 +3282,7 @@ static int get_lladdr(struct net_device *dev, struct in6_addr *addr,
 
 static int pick_local_ip6addrs(struct c4iw_dev *dev, struct iw_cm_id *cm_id)
 {
-	struct in6_addr uninitialized_var(addr);
+	struct in6_addr addr;
 	struct sockaddr_in6 *la6 = (struct sockaddr_in6 *)&cm_id->m_local_addr;
 	struct sockaddr_in6 *ra6 = (struct sockaddr_in6 *)&cm_id->m_remote_addr;
 

drivers/infiniband/hw/cxgb4/cq.c

@@ -754,7 +754,7 @@ skip_cqe:
 static int __c4iw_poll_cq_one(struct c4iw_cq *chp, struct c4iw_qp *qhp,
 			      struct ib_wc *wc, struct c4iw_srq *srq)
 {
-	struct t4_cqe uninitialized_var(cqe);
+	struct t4_cqe cqe;
 	struct t4_wq *wq = qhp ? &qhp->wq : NULL;
 	u32 credit = 0;
 	u8 cqe_flushed;

drivers/infiniband/hw/mlx4/qp.c

@@ -3541,11 +3541,11 @@ static int _mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
 	int nreq;
 	int err = 0;
 	unsigned ind;
-	int uninitialized_var(size);
-	unsigned uninitialized_var(seglen);
+	int size;
+	unsigned seglen;
 	__be32 dummy;
 	__be32 *lso_wqe;
-	__be32 uninitialized_var(lso_hdr_sz);
+	__be32 lso_hdr_sz;
 	__be32 blh;
 	int i;
 	struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);

drivers/infiniband/hw/mlx5/cq.c

@@ -925,8 +925,8 @@ int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
 	struct mlx5_ib_dev *dev = to_mdev(ibdev);
 	struct mlx5_ib_cq *cq = to_mcq(ibcq);
 	u32 out[MLX5_ST_SZ_DW(create_cq_out)];
-	int uninitialized_var(index);
-	int uninitialized_var(inlen);
+	int index;
+	int inlen;
 	u32 *cqb = NULL;
 	void *cqc;
 	int cqe_size;
@@ -1246,7 +1246,7 @@ int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
 	__be64 *pas;
 	int page_shift;
 	int inlen;
-	int uninitialized_var(cqe_size);
+	int cqe_size;
 	unsigned long flags;
 
 	if (!MLX5_CAP_GEN(dev->mdev, cq_resize)) {

drivers/infiniband/hw/mlx5/devx.c

@@ -2536,7 +2536,7 @@ static ssize_t devx_async_event_read(struct file *filp, char __user *buf,
 {
 	struct devx_async_event_file *ev_file = filp->private_data;
 	struct devx_event_subscription *event_sub;
-	struct devx_async_event_data *uninitialized_var(event);
+	struct devx_async_event_data *event;
 	int ret = 0;
 	size_t eventsz;
 	bool omit_data;

drivers/infiniband/hw/mlx5/wr.c

@@ -1249,7 +1249,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
 	struct mlx5_wqe_xrc_seg *xrc;
 	struct mlx5_bf *bf;
 	void *cur_edge;
-	int uninitialized_var(size);
+	int size;
 	unsigned long flags;
 	unsigned int idx;
 	int err = 0;

drivers/infiniband/hw/mthca/mthca_qp.c

@@ -1639,8 +1639,8 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
 	 * without initializing f0 and size0, and they are in fact
 	 * never used uninitialized.
 	 */
-	int uninitialized_var(size0);
-	u32 uninitialized_var(f0);
+	int size0;
+	u32 f0;
 	int ind;
 	u8 op0 = 0;
 
@@ -1835,7 +1835,7 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
 	 * without initializing size0, and it is in fact never used
 	 * uninitialized.
 	 */
-	int uninitialized_var(size0);
+	int size0;
 	int ind;
 	void *wqe;
 	void *prev_wqe;
@@ -1943,8 +1943,8 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
 	 * without initializing f0 and size0, and they are in fact
 	 * never used uninitialized.
 	 */
-	int uninitialized_var(size0);
-	u32 uninitialized_var(f0);
+	int size0;
+	u32 f0;
 	int ind;
 	u8 op0 = 0;