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tty: rpmsg: Unify variable used to keep an error code

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In some ret is used, in the other err. Let's unify it across the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211025135148.53944-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-10-25 16:51:45 +03:00 committed by Greg Kroah-Hartman
parent 0572da285d
commit 408a507996
1 changed files with 13 additions and 13 deletions
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26
drivers/tty/rpmsg_tty.c
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@ -114,22 +114,22 @@ static const struct tty_operations rpmsg_tty_ops = {
static struct rpmsg_tty_port *rpmsg_tty_alloc_cport(void)
{
struct rpmsg_tty_port *cport;
int err;
int ret;
cport = kzalloc(sizeof(*cport), GFP_KERNEL);
if (!cport)
return ERR_PTR(-ENOMEM);
mutex_lock(&idr_lock);
err = idr_alloc(&tty_idr, cport, 0, MAX_TTY_RPMSG, GFP_KERNEL);
ret = idr_alloc(&tty_idr, cport, 0, MAX_TTY_RPMSG, GFP_KERNEL);
mutex_unlock(&idr_lock);
if (err < 0) {
if (ret < 0) {
kfree(cport);
return ERR_PTR(err);
return ERR_PTR(ret);
}
cport->id = err;
cport->id = ret;
return cport;
}
@ -217,7 +217,7 @@ static struct rpmsg_driver rpmsg_tty_rpmsg_drv = {
static int __init rpmsg_tty_init(void)
{
int err;
int ret;
rpmsg_tty_driver = tty_alloc_driver(MAX_TTY_RPMSG, TTY_DRIVER_REAL_RAW |
TTY_DRIVER_DYNAMIC_DEV);
@ -236,15 +236,15 @@ static int __init rpmsg_tty_init(void)
tty_set_operations(rpmsg_tty_driver, &rpmsg_tty_ops);
err = tty_register_driver(rpmsg_tty_driver);
if (err < 0) {
pr_err("Couldn't install rpmsg tty driver: err %d\n", err);
ret = tty_register_driver(rpmsg_tty_driver);
if (ret < 0) {
pr_err("Couldn't install rpmsg tty driver: %d\n", ret);
goto error_put;
}
err = register_rpmsg_driver(&rpmsg_tty_rpmsg_drv);
if (err < 0) {
pr_err("Couldn't register rpmsg tty driver: err %d\n", err);
ret = register_rpmsg_driver(&rpmsg_tty_rpmsg_drv);
if (ret < 0) {
pr_err("Couldn't register rpmsg tty driver: %d\n", ret);
goto error_unregister;
}
@ -256,7 +256,7 @@ static int __init rpmsg_tty_init(void)
error_put:
tty_driver_kref_put(rpmsg_tty_driver);
return err;
return ret;
}
static void __exit rpmsg_tty_exit(void)