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tty: tty_io: Fix some kernel-doc issues 

Demote non-conformant headers and supply some missing descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/tty/tty_io.c:218: warning: Function parameter or member 'file' not described in 'tty_free_file'
 drivers/tty/tty_io.c:566: warning: Function parameter or member 'exit_session' not described in '__tty_hangup'
 drivers/tty/tty_io.c:1077: warning: Function parameter or member 'tty' not described in 'tty_send_xchar'
 drivers/tty/tty_io.c:1077: warning: Function parameter or member 'ch' not described in 'tty_send_xchar'
 drivers/tty/tty_io.c:1155: warning: Function parameter or member 'file' not described in 'tty_driver_lookup_tty'
 drivers/tty/tty_io.c:1508: warning: Function parameter or member 'tty' not described in 'release_tty'
 drivers/tty/tty_io.c:1508: warning: Function parameter or member 'idx' not described in 'release_tty'
 drivers/tty/tty_io.c:2973: warning: Function parameter or member 'driver' not described in 'alloc_tty_struct'
 drivers/tty/tty_io.c:2973: warning: Function parameter or member 'idx' not described in 'alloc_tty_struct'

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Nick Holloway <alfie@dcs.warwick.ac.uk>
Cc: -- <julian@uhunix.uhcc.hawaii.edu>
Cc: Marko Kohtala <Marko.Kohtala@hut.fi>
Cc: Bill Hawes <whawes@star.net>
Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Andrew Morton <andrewm@uow.edu.eu>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104193549.4026187-13-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lee Jones 2020-11-04 19:35:25 +00:00 committed by Greg Kroah-Hartman
parent 5d5b53cf92
commit 08aa5042d2
1 changed files with 7 additions and 3 deletions
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10
drivers/tty/tty_io.c
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@ -208,7 +208,7 @@ void tty_add_file(struct tty_struct *tty, struct file *file)
spin_unlock(&tty->files_lock);
}
/**
/*
* tty_free_file - free file->private_data
*
* This shall be used only for fail path handling when tty_add_file was not
@ -543,6 +543,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup);
/**
* __tty_hangup - actual handler for hangup events
* @tty: tty device
* @exit_session: if non-zero, signal all foreground group processes
*
* This can be called by a "kworker" kernel thread. That is process
* synchronous but doesn't hold any locks, so we need to make sure we
@ -1065,7 +1066,7 @@ ssize_t redirected_tty_write(struct file *file, const char __user *buf,
return tty_write(file, buf, count, ppos);
}
/**
/*
* tty_send_xchar - send priority character
*
* Send a high priority character to the tty even if stopped
@ -1143,6 +1144,7 @@ static ssize_t tty_line_name(struct tty_driver *driver, int index, char *p)
/**
* tty_driver_lookup_tty() - find an existing tty, if any
* @driver: the driver for the tty
* @file: file object
* @idx: the minor number
*
* Return the tty, if found. If not found, return NULL or ERR_PTR() if the
@ -1494,6 +1496,8 @@ EXPORT_SYMBOL(tty_kref_put);
/**
* release_tty - release tty structure memory
* @tty: tty device release
* @idx: index of the tty device release
*
* Release both @tty and a possible linked partner (think pty pair),
* and decrement the refcount of the backing module.
@ -2961,7 +2965,7 @@ static struct device *tty_get_device(struct tty_struct *tty)
}
/**
/*
* alloc_tty_struct
*
* This subroutine allocates and initializes a tty structure.