# \[PATCH v0 26/42\] alpha: Check notifier registration return value - From: Borislav Petkov \ - Date: 2021-11-08 10:16:18 - List: linux-alpha - Page: https://ratatoskr.run/linux-alpha/2021/11/1565340 - Thread: https://ratatoskr.run/linux-alpha/2021/11/1565340/t.md ```text From: Borislav Petkov Avoid homegrown notifier registration checks. No functional changes. Signed-off-by: Borislav Petkov Cc: --- arch/alpha/kernel/setup.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index b4fbbba30aa2..520c08031137 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -465,8 +465,9 @@ setup_arch(char **cmdline_p) } /* Register a call for panic conditions. */ - atomic_notifier_chain_register(&panic_notifier_list, - &alpha_panic_block); + if (atomic_notifier_chain_register(&panic_notifier_list, + &alpha_panic_block)) + pr_warn("Panic notifier already registered\n"); #ifndef alpha_using_srm /* Assume that we've booted from SRM if we haven't booted from MILO. -- 2.29.2 ```