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greybus: uart: remove the redundant unregister chrdev 

The unregister_chrdev_region() does twice here.
The chrdev region was unregistered
inside tty_unregister_driver().

Signed-off-by: Phong Tran <tranmanphong@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Phong Tran 2015-06-09 20:28:18 +07:00 committed by Greg Kroah-Hartman
parent f2e2b06fef
commit 61b65a394c
1 changed files with 0 additions and 4 deletions
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4
drivers/staging/greybus/uart.c
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@ -732,12 +732,8 @@ static int gb_tty_init(void)
static void gb_tty_exit(void)
{
int major = MAJOR(gb_tty_driver->major);
int minor = gb_tty_driver->minor_start;
tty_unregister_driver(gb_tty_driver);
put_tty_driver(gb_tty_driver);
unregister_chrdev_region(MKDEV(major, minor), GB_NUM_MINORS);
}
static struct gb_protocol uart_protocol = {