From: Borislav Petkov <bp@alien8.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: linux-crypto@vger.kernel.org
Subject: [PATCH v0 39/42] crypto: ccree - check notifier registration return value
Date: Mon, 8 Nov 2021 11:11:54 +0100 [thread overview]
Message-ID: <20211108101157.15189-40-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-crypto@vger.kernel.org
---
drivers/crypto/ccree/cc_fips.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/ccree/cc_fips.c b/drivers/crypto/ccree/cc_fips.c
index 702aefc21447..de842da7d51c 100644
--- a/drivers/crypto/ccree/cc_fips.c
+++ b/drivers/crypto/ccree/cc_fips.c
@@ -146,7 +146,9 @@ int cc_fips_init(struct cc_drvdata *p_drvdata)
tasklet_init(&fips_h->tasklet, fips_dsr, (unsigned long)p_drvdata);
fips_h->drvdata = p_drvdata;
fips_h->nb.notifier_call = cc_ree_fips_failure;
- atomic_notifier_chain_register(&fips_fail_notif_chain, &fips_h->nb);
+
+ if (atomic_notifier_chain_register(&fips_fail_notif_chain, &fips_h->nb))
+ pr_warn("Failure notifier already registered\n");
cc_tee_handle_fips_error(p_drvdata);
--
2.29.2
next parent reply other threads:[~2021-11-08 10:13 UTC|newest]
Thread overview: 18+ 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]
2021-11-12 18:32 ` [PATCH v0 39/42] crypto: ccree - check notifier registration return value Cristian Marussi
2021-11-12 18:48 ` Borislav Petkov
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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