[PATCH v0 15/42] scsi: target: Check notifier registration return value

Borislav Petkov
2021-11-08T10:12:38Z

From: Borislav Petkov <bp@suse.de>

Avoid homegrown notifier registration checks.

No functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: linux-scsi@vger.kernel.org
---
drivers/target/tcm_fc/tfc_conf.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 1a38c98f681b..28960f68de08 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -465,7 +465,9 @@ static int __init ft_init(void)
if (ret)
goto out_unregister_template;

- blocking_notifier_chain_register(&fc_lport_notifier_head, &ft_notifier);
+ if (blocking_notifier_chain_register(&fc_lport_notifier_head, &ft_notifier))
+ pr_warn("FC lport notifier already registered\n");
+
fc_lport_iterate(ft_lport_add, NULL);
return 0;

--
2.29.2