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| author |   Jiri Slaby <jslaby@suse.cz> | 2021-05-05 11:19:13 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-13 16:57:17 +0200 |
| commit | 303e8ebf5dcb802b016b2802825dbc7928f9a50a (patch) | |
| tree | 55c4326123a2e6ae457b9c08f919d6795c933d2d /drivers/misc/ti-st/st_core.c | |
| parent | tty: return void from tty_unregister_ldisc (diff) | |
| download | linux-dev-303e8ebf5dcb802b016b2802825dbc7928f9a50a.tar.xz linux-dev-303e8ebf5dcb802b016b2802825dbc7928f9a50a.zip | |
ti-st: use goto-failpath in st_core_init
Use the classic failpath handling using gotos in st_core_init. That way,
tty_unregister_ldisc needs not be repeated on two places.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210505091928.22010-21-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/ti-st/st_core.c')
| -rw-r--r-- | drivers/misc/ti-st/st_core.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c index 85315e726644..05c015140cad 100644 --- a/drivers/misc/ti-st/st_core.c +++ b/drivers/misc/ti-st/st_core.c @@ -872,9 +872,8 @@ int st_core_init(struct st_data_s **core_data) st_gdata = kzalloc(sizeof(struct st_data_s), GFP_KERNEL); if (!st_gdata) { pr_err("memory allocation failed"); - tty_unregister_ldisc(&st_ldisc_ops); err = -ENOMEM; - return err; + goto err_unreg_ldisc; } /* Initialize ST TxQ and Tx waitQ queue head. All BT/FM/GPS module skb's @@ -889,15 +888,18 @@ int st_core_init(struct st_data_s **core_data) err = st_ll_init(st_gdata); if (err) { pr_err("error during st_ll initialization(%ld)", err); - kfree(st_gdata); - tty_unregister_ldisc(&st_ldisc_ops); - return err; + goto err_free_gdata; } INIT_WORK(&st_gdata->work_write_wakeup, work_fn_write_wakeup); *core_data = st_gdata; return 0; +err_free_gdata: + kfree(st_gdata); +err_unreg_ldisc: + tty_unregister_ldisc(&st_ldisc_ops); + return err; } void st_core_exit(struct st_data_s *st_gdata) |