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tty: make tty_release_redirect() static

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No one calls this outside of the tty_io.c file, so mark this static and
do not export the symbol anymore.

Cc: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20210408125134.3016837-11-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-04-08 14:51:31 +02:00
parent 6c80c0b94b
commit dd9f611442
2 changed files with 1 additions and 3 deletions
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3
drivers/tty/tty_io.c
View File

@ -547,7 +547,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup);
* This is available to the pty code so if the master closes, if the
* slave is a redirect it can release the redirect.
*/
struct file *tty_release_redirect(struct tty_struct *tty)
static struct file *tty_release_redirect(struct tty_struct *tty)
{
struct file *f = NULL;
@ -560,7 +560,6 @@ struct file *tty_release_redirect(struct tty_struct *tty)
return f;
}
EXPORT_SYMBOL_GPL(tty_release_redirect);
/**
* __tty_hangup - actual handler for hangup events

1
include/linux/tty.h
View File

@ -396,7 +396,6 @@ extern struct tty_struct *tty_kopen_shared(dev_t device);
extern void tty_kclose(struct tty_struct *tty);
extern int tty_dev_name_to_number(const char *name, dev_t *number);
extern ssize_t redirected_tty_write(struct kiocb *, struct iov_iter *);
extern struct file *tty_release_redirect(struct tty_struct *tty);
#else
static inline void tty_kref_put(struct tty_struct *tty)
{ }