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char: constify tty_port_operations structs

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Constifies tty_port_operations structure in
the char driver since it is not modified
after its initialization.

Detected and found using Coccinelle.

Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aya Mahfouz 2015-12-15 01:50:19 +02:00 committed by Greg Kroah-Hartman
parent 401879c57f
commit 9b95d95d5e
1 changed files with 1 additions and 1 deletions
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drivers/char/ttyprintk.c
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@ -171,7 +171,7 @@ static const struct tty_operations ttyprintk_ops = {
.ioctl = tpk_ioctl,
};
static struct tty_port_operations null_ops = { };
static const struct tty_port_operations null_ops = { };
static struct tty_driver *ttyprintk_driver;