| From | Borislav Petkov <> | Subject | [PATCH v0 39/42] crypto: ccree - check notifier registration return value | Date | Mon, 8 Nov 2021 11:11:54 +0100 |
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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
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