| From | Borislav Petkov <> | Subject | [PATCH v0 24/42] staging: olpc_dcon: Check notifier registration return value | Date | Mon, 8 Nov 2021 11:11:39 +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-staging@lists.linux.dev --- 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
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