From: Borislav Petkov <bp@alien8.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: linux-iio@vger.kernel.org
Subject: [PATCH v0 09/42] iio: proximity: cros_ec: Check notifier registration return value
Date: Mon, 8 Nov 2021 11:11:24 +0100 [thread overview]
Message-ID: <20211108101157.15189-10-bp@alien8.de> (raw)
In-Reply-To: <20211108101157.15189-1-bp@alien8.de>
From: Borislav Petkov <bp@suse.de>
Avoid homegrown notifier registration checks.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: linux-iio@vger.kernel.org
---
drivers/iio/proximity/cros_ec_mkbp_proximity.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/proximity/cros_ec_mkbp_proximity.c b/drivers/iio/proximity/cros_ec_mkbp_proximity.c
index 8213b0081713..e9536de8dd8a 100644
--- a/drivers/iio/proximity/cros_ec_mkbp_proximity.c
+++ b/drivers/iio/proximity/cros_ec_mkbp_proximity.c
@@ -234,7 +234,8 @@ static int cros_ec_mkbp_proximity_probe(struct platform_device *pdev)
return ret;
data->notifier.notifier_call = cros_ec_mkbp_proximity_notify;
- blocking_notifier_chain_register(&ec->event_notifier, &data->notifier);
+ if (blocking_notifier_chain_register(&ec->event_notifier, &data->notifier))
+ pr_warn("cros-ec proximity notifier already registered\n");
return 0;
}
--
2.29.2
next parent reply other threads:[~2021-11-08 10:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211108101157.15189-1-bp@alien8.de>
2021-11-08 10:11 ` Borislav Petkov [this message]
2021-11-08 10:11 ` [PATCH v0 42/42] notifier: Return an error when callback is already registered Borislav Petkov
2021-11-08 14:07 ` Geert Uytterhoeven
2021-11-08 14:21 ` Borislav Petkov
2021-11-08 15:25 ` Geert Uytterhoeven
2021-11-08 15:58 ` Borislav Petkov
2021-11-08 16:12 ` Geert Uytterhoeven
2021-11-08 16:21 ` Borislav Petkov
2021-11-08 20:59 ` Alan Stern
2021-11-08 21:18 ` Borislav Petkov
2021-11-08 10:19 ` [PATCH v0 00/42] notifiers: " Borislav Petkov
2021-11-08 14:17 ` Alan Stern
2021-11-08 14:24 ` Borislav Petkov
2021-11-08 14:35 ` Borislav Petkov
2021-11-08 16:23 ` Steven Rostedt
2021-11-08 16:29 ` Borislav Petkov
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