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authorJiri Slaby <jslaby@suse.cz>2012-03-05 17:51:50 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-08 23:30:21 +0400
commit1a54a76d5171f3ffd89eb69f6f38d535724e3d05 (patch)
tree6d6491bdddb6356dd08813299f1af49c1b1ddc5f /drivers/tty/tty_io.c
parenta8fbc974c347a798fd0c6f0bffe7bf46b8c6dfb6 (diff)
downloadlinux-1a54a76d5171f3ffd89eb69f6f38d535724e3d05.tar.xz
TTY: let alloc_tty_driver deduce the owner automatically
Like the rest of the kernel, make a stub from alloc_tty_driver which calls __alloc_tty_driver with proper owner. This will save us one more assignment on the driver side. Also this fixes some drivers which didn't set the owner. This allowed user to remove the module from the system even though a tty from the driver is still open. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index f105ce5c8e6e..bd95cea3173b 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3049,7 +3049,7 @@ void tty_unregister_device(struct tty_driver *driver, unsigned index)
}
EXPORT_SYMBOL(tty_unregister_device);
-struct tty_driver *alloc_tty_driver(int lines)
+struct tty_driver *__alloc_tty_driver(int lines, struct module *owner)
{
struct tty_driver *driver;
@@ -3058,11 +3058,12 @@ struct tty_driver *alloc_tty_driver(int lines)
kref_init(&driver->kref);
driver->magic = TTY_DRIVER_MAGIC;
driver->num = lines;
+ driver->owner = owner;
/* later we'll move allocation of tables here */
}
return driver;
}
-EXPORT_SYMBOL(alloc_tty_driver);
+EXPORT_SYMBOL(__alloc_tty_driver);
static void destruct_tty_driver(struct kref *kref)
{