tty: make tty_operations::write()'s count size_t

[linux-2.6-microblaze.git] / include / linux / tty_driver.h

diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index c5299d9..18beff0 100644 (file)
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -72,8 +72,8 @@ struct serial_struct;
  *     is closed for the last time freeing up the resources. This is
  *     actually the second part of shutdown for routines that might sleep.
  *
- * @write: ``int ()(struct tty_struct *tty, const unsigned char *buf,
- *                 int count)``
+ * @write: ``ssize_t ()(struct tty_struct *tty, const unsigned char *buf,
+ *                 size_t count)``
  *
  *     This routine is called by the kernel to write a series (@count) of
  *     characters (@buf) to the @tty device. The characters may come from
@@ -356,7 +356,7 @@ struct tty_operations {
        void (*close)(struct tty_struct * tty, struct file * filp);
        void (*shutdown)(struct tty_struct *tty);
        void (*cleanup)(struct tty_struct *tty);
-       int  (*write)(struct tty_struct *tty, const u8 *buf, int count);
+       ssize_t (*write)(struct tty_struct *tty, const u8 *buf, size_t count);
        int  (*put_char)(struct tty_struct *tty, u8 ch);
        void (*flush_chars)(struct tty_struct *tty);
        unsigned int (*write_room)(struct tty_struct *tty);