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

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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()
This commit is contained in:
Linus Torvalds
2020-08-04 13:49:43 -07:00
parent 427714f258 63a0895d96
commit 99ea1521a0
195 changed files with 320 additions and 329 deletions
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drivers/vhost/net.c
+3 -3
View File
@@ -862,7 +862,7 @@ static void handle_tx_zerocopy(struct vhost_net *net, struct socket *sock)
struct tun_msg_ctl ctl;
size_t len, total_len = 0;
int err;
struct vhost_net_ubuf_ref *uninitialized_var(ubufs);
struct vhost_net_ubuf_ref *ubufs;
bool zcopy_used;
int sent_pkts = 0;
@@ -1042,7 +1042,7 @@ static int get_rx_bufs(struct vhost_virtqueue *vq,
/* len is always initialized before use since we are always called with
* datalen > 0.
*/
u32 uninitialized_var(len);
u32 len;
while (datalen > 0 && headcount < quota) {
if (unlikely(seg >= UIO_MAXIOV)) {
@@ -1099,7 +1099,7 @@ static void handle_rx(struct vhost_net *net)
{
struct vhost_net_virtqueue *nvq = &net->vqs[VHOST_NET_VQ_RX];
struct vhost_virtqueue *vq = &nvq->vq;
unsigned uninitialized_var(in), log;
unsigned in, log;
struct vhost_log *vq_log;
struct msghdr msg = {
.msg_name = NULL,