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authorJiri Slaby <jslaby@suse.cz>2021-05-05 11:19:13 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-13 16:57:17 +0200
commit303e8ebf5dcb802b016b2802825dbc7928f9a50a (patch)
tree55c4326123a2e6ae457b9c08f919d6795c933d2d /drivers/misc/ti-st
parentf6f19595a7efdaa0c196d7fa2b343b5588f94470 (diff)
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')
-rw-r--r--drivers/misc/ti-st/st_core.c12
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)