From: Borislav Petkov <bp@xxxxxxx>
Avoid homegrown notifier registration checks.
No functional changes.
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: linux-staging@xxxxxxxxxxxxxxx
---
drivers/staging/olpc_dcon/olpc_dcon.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
index 7284cb4ac395..f5204a88bb35 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -653,7 +653,9 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id)
}
register_reboot_notifier(&dcon->reboot_nb);
- atomic_notifier_chain_register(&panic_notifier_list, &dcon_panic_nb);
+
+ if (atomic_notifier_chain_register(&panic_notifier_list, &dcon_panic_nb))
+ pr_warn("Panic notifier already registered\n");
return 0;
--
2.29.2
