| From | Borislav Petkov <> | Subject | [PATCH v0 08/42] Drivers: hv: vmbus: Check notifier registration return value | Date | Mon, 8 Nov 2021 11:11:23 +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-hyperv@vger.kernel.org --- drivers/hv/vmbus_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 392c1ac4f819..370afd108d2d 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1574,8 +1574,8 @@ static int vmbus_bus_init(void) * the VMbus channel connection to prevent any VMbus * activity after the VM panics. */ - atomic_notifier_chain_register(&panic_notifier_list, - &hyperv_panic_block); + if (atomic_notifier_chain_register(&panic_notifier_list, &hyperv_panic_block)) + pr_warn("VMBus panic notifier already registered\n"); vmbus_request_offers(); -- 2.29.2
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