linux-hardening - [PATCH][next] ACPI: Fix fall-through warning for Clang

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Date:   Mon, 17 May 2021 18:23:12 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH][next] ACPI: Fix fall-through warning for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a
fallthrough warning by simply dropping the empty default case at
the bottom.

This contributes to the ongoing efforts to globally enable
-Wimplicit-fallthrough for Clang.

Link: https://github.com/KSPP/linux/issues/115
Suggested-by: Rafael J. Wysocki <rafael@...nel.org>
Link: https://lore.kernel.org/lkml/CAJZ5v0hLYWKX__oZdcCY0D20pNqpw8SkiTPOCNOtpqe--QLp4Q@mail.gmail.com/
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/acpi/sbshc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 53c2862c4c75..5c021c3b81d9 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -231,7 +231,6 @@ static int smbus_alarm(void *context)
 		case ACPI_SBS_BATTERY:
 			acpi_os_execute(OSL_NOTIFY_HANDLER,
 					acpi_smbus_callback, hc);
-		default:;
 	}
 	mutex_unlock(&hc->lock);
 	return 0;
-- 
2.27.0