treewide: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 411af4a..baa2109 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -312,7 +312,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
case 2:
if (i == 0 || i == 13)
continue; /* IRQ0 & IRQ13 not connected */
- /* fall through */
+ fallthrough;
default:
if (i == 2)
continue; /* IRQ2 is never connected */
@@ -356,7 +356,7 @@ static void __init construct_ioapic_table(int mpc_default_type)
default:
pr_err("???\nUnknown standard configuration %d\n",
mpc_default_type);
- /* fall through */
+ fallthrough;
case 1:
case 5:
memcpy(bus.bustype, "ISA ", 6);