anntotate the places where ->poll() return values go

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

12 files changed, 15 insertions, 14 deletions

diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index 916ff68b73d4..f805f45716a3 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -809,7 +809,7 @@ static unsigned int soc_camera_poll(struct file *file, poll_table *pt)
 {
         struct soc_camera_device *icd = file->private_data;
         struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
-        unsigned res = POLLERR;
+        __poll_t res = POLLERR;
 
         if (icd->streamer != file)
                 return POLLERR;
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index c647ba648805..ef178edc634b 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -334,7 +334,7 @@ static ssize_t v4l2_write(struct file *filp, const char __user *buf,
 static unsigned int v4l2_poll(struct file *filp, struct poll_table_struct *poll)
 {
         struct video_device *vdev = video_devdata(filp);
-        unsigned int res = POLLERR | POLLHUP;
+        __poll_t res = POLLERR | POLLHUP;
 
         if (!vdev->fops->poll)
                 return DEFAULT_POLLMASK;
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c
index cc18e25103ca..a557be8a5076 100644
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -119,7 +119,7 @@ static void serial2002_tty_read_poll_wait(struct file *f, int timeout)
         poll_initwait(&table);
         while (1) {
                 long elapsed;
-                int mask;
+                __poll_t mask;
 
                 mask = f->f_op->poll(f, &table.pt);
                 if (mask & (POLLRDNORM | POLLRDBAND | POLLIN |
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index dc60aeea87d8..287f9a4eef6d 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2059,7 +2059,7 @@ static unsigned int tty_poll(struct file *filp, poll_table *wait)
 {
         struct tty_struct *tty = file_tty(filp);
         struct tty_ldisc *ld;
-        int ret = 0;
+        __poll_t ret = 0;
 
         if (tty_paranoia_check(tty, file_inode(filp), "tty_poll"))
                 return 0;
diff --git a/drivers/vfio/virqfd.c b/drivers/vfio/virqfd.c
index 4797217e5e72..d18b10ff119e 100644
--- a/drivers/vfio/virqfd.c
+++ b/drivers/vfio/virqfd.c
@@ -113,7 +113,7 @@ int vfio_virqfd_enable(void *opaque,
         struct eventfd_ctx *ctx;
         struct virqfd *virqfd;
         int ret = 0;
-        unsigned int events;
+        __poll_t events;
 
         virqfd = kzalloc(sizeof(*virqfd), GFP_KERNEL);
         if (!virqfd)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 33ac2b186b85..c18e70bd0466 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -203,7 +203,7 @@ EXPORT_SYMBOL_GPL(vhost_poll_init);
  * keep a reference to a file until after vhost_poll_stop is called. */
 int vhost_poll_start(struct vhost_poll *poll, struct file *file)
 {
-        unsigned long mask;
+        __poll_t mask;
         int ret = 0;
 
         if (poll->wqh)
@@ -211,7 +211,7 @@ int vhost_poll_start(struct vhost_poll *poll, struct file *file)
 
         mask = file->f_op->poll(file, &poll->table);
         if (mask)
-                vhost_poll_wakeup(&poll->wait, 0, 0, (void *)mask);
+                vhost_poll_wakeup(&poll->wait, 0, 0, (void *)(uintptr_t)mask);
         if (mask & POLLERR) {
                 if (poll->wqh)
                         remove_wait_queue(poll->wqh, &poll->wait);
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index cd12e6576b48..2571404a072b 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -210,7 +210,7 @@ static unsigned int full_proxy_poll(struct file *filp,
                                 struct poll_table_struct *wait)
 {
         struct dentry *dentry = F_DENTRY(filp);
-        unsigned int r = 0;
+        __poll_t r = 0;
         const struct file_operations *real_fops;
 
         if (debugfs_file_get(dentry))
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 44e37f38493b..149fd4d75db6 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -237,7 +237,7 @@ static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t
 static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts)
 {
         struct proc_dir_entry *pde = PDE(file_inode(file));
-        unsigned int rv = DEFAULT_POLLMASK;
+        __poll_t rv = DEFAULT_POLLMASK;
         __poll_t (*poll)(struct file *, struct poll_table_struct *);
         if (use_pde(pde)) {
                 poll = pde->proc_fops->poll;
diff --git a/fs/select.c b/fs/select.c
index 6de493bb42a4..b2bf84be5056 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -484,8 +484,9 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
                 rinp = fds->res_in; routp = fds->res_out; rexp = fds->res_ex;
 
                 for (i = 0; i < n; ++rinp, ++routp, ++rexp) {
-                        unsigned long in, out, ex, all_bits, bit = 1, mask, j;
+                        unsigned long in, out, ex, all_bits, bit = 1, j;
                         unsigned long res_in = 0, res_out = 0, res_ex = 0;
+                        __poll_t mask;
 
                         in = *inp++; out = *outp++; ex = *exp++;
                         all_bits = in | out | ex;
@@ -806,7 +807,7 @@ static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait,
                                      bool *can_busy_poll,
                                      unsigned int busy_flag)
 {
-        unsigned int mask;
+        __poll_t mask;
         int fd;
 
         mask = 0;
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 6451c5013e06..ae59826230be 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1130,7 +1130,7 @@ static unsigned int smc_poll(struct file *file, struct socket *sock,
                              poll_table *wait)
 {
         struct sock *sk = sock->sk;
-        unsigned int mask = 0;
+        __poll_t mask = 0;
         struct smc_sock *smc;
         int rc;
 
diff --git a/net/socket.c b/net/socket.c
index 42d8e9c9ccd5..dceab22a41fd 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1093,7 +1093,7 @@ EXPORT_SYMBOL(sock_create_lite);
 /* No kernel lock held - perfect */
 static unsigned int sock_poll(struct file *file, poll_table *wait)
 {
-        unsigned int busy_flag = 0;
+        __poll_t busy_flag = 0;
         struct socket *sock;
 
         /*
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index f2ac53ab8243..a1f68ed999d8 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -287,7 +287,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
         struct fd f;
         struct eventfd_ctx *eventfd = NULL, *resamplefd = NULL;
         int ret;
-        unsigned int events;
+        __poll_t events;
         int idx;
 
         if (!kvm_arch_intc_initialized(kvm))