[PATCH 32/36] tty: hvc: convert counts to size_t

[Jiri Slaby (SUSE)]

Unify the type of tty_operations::write() counters with the 'count'
parameter. I.e. use size_t for them.

Signed-off-by: Jiri Slaby (SUSE) <jirisl...@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
---
 drivers/tty/hvc/hvc_console.c |  2 +-
 drivers/tty/hvc/hvcs.c        |  6 +++---
 drivers/tty/hvc/hvsi.c        | 10 +++++-----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index e93e8072ec86..959fae54ca39 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -500,7 +500,7 @@ static ssize_t hvc_write(struct tty_struct *tty, const u8 
*buf, size_t count)
 {
        struct hvc_struct *hp = tty->driver_data;
        unsigned long flags;
-       int rsize, written = 0;
+       size_t rsize, written = 0;
 
        /* This write was probably executed during a tty close. */
        if (!hp)
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index 1de91fa23b04..d29fdfe9d93d 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -1263,8 +1263,8 @@ static ssize_t hvcs_write(struct tty_struct *tty, const 
u8 *buf, size_t count)
        unsigned int unit_address;
        const unsigned char *charbuf;
        unsigned long flags;
-       int total_sent = 0;
-       int tosend = 0;
+       size_t total_sent = 0;
+       size_t tosend = 0;
        int result = 0;
 
        /*
@@ -1299,7 +1299,7 @@ static ssize_t hvcs_write(struct tty_struct *tty, const 
u8 *buf, size_t count)
        unit_address = hvcsd->vdev->unit_address;
 
        while (count > 0) {
-               tosend = min_t(unsigned, count,
+               tosend = min_t(size_t, count,
                               (HVCS_BUFF_LEN - hvcsd->chars_in_buffer));
                /*
                 * No more space, this probably means that the last call to
diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c
index c57bd85aa488..a94068bce76f 100644
--- a/drivers/tty/hvc/hvsi.c
+++ b/drivers/tty/hvc/hvsi.c
@@ -909,8 +909,8 @@ static ssize_t hvsi_write(struct tty_struct *tty, const u8 
*source,
 {
        struct hvsi_struct *hp = tty->driver_data;
        unsigned long flags;
-       int total = 0;
-       int origcount = count;
+       size_t total = 0;
+       size_t origcount = count;
 
        spin_lock_irqsave(&hp->lock, flags);
 
@@ -928,7 +928,7 @@ static ssize_t hvsi_write(struct tty_struct *tty, const u8 
*source,
         * will see there is no room in outbuf and return.
         */
        while ((count > 0) && (hvsi_write_room(tty) > 0)) {
-               int chunksize = min_t(int, count, hvsi_write_room(tty));
+               size_t chunksize = min_t(size_t, count, hvsi_write_room(tty));
 
                BUG_ON(hp->n_outbuf < 0);
                memcpy(hp->outbuf + hp->n_outbuf, source, chunksize);
@@ -952,8 +952,8 @@ static ssize_t hvsi_write(struct tty_struct *tty, const u8 
*source,
        spin_unlock_irqrestore(&hp->lock, flags);
 
        if (total != origcount)
-               pr_debug("%s: wanted %i, only wrote %i\n", __func__, origcount,
-                       total);
+               pr_debug("%s: wanted %zu, only wrote %zu\n", __func__,
+                        origcount, total);
 
        return total;
 }
-- 
2.41.0