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mips/oprofile: Fix fallthrough placement

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We want neither
"
include/linux/compiler_attributes.h:201:41: warning: statement will never
be executed [-Wswitch-unreachable]
  201 | # define fallthrough __attribute__((__fallthrough__))
      |                      ^~~~~~~~~~~~~
"
nor
"
include/linux/compiler_attributes.h:201:41: warning: attribute
'fallthrough' not preceding a case label or default label
  201 | # define fallthrough __attribute__((__fallthrough__))
      |                      ^~~~~~~~~~~~~
"

It's not worth adding one more macro. Let's simply place the fallthrough
in between the expansions.

Fixes: c9b0299034 ("MIPS: Use fallthrough for arch/mips")
Cc: stable@vger.kernel.org
Signed-off-by: He Zhe <zhe.he@windriver.com>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
He Zhe 2020-08-20 20:54:40 +08:00 committed by Thomas Bogendoerfer
parent ed0ec1a81f
commit 91dbd73a17
1 changed files with 3 additions and 1 deletions
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4
arch/mips/oprofile/op_model_mipsxx.c
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@ -245,7 +245,6 @@ static int mipsxx_perfcount_handler(void)
switch (counters) {
#define HANDLE_COUNTER(n) \
fallthrough; \
case n + 1: \
control = r_c0_perfctrl ## n(); \
counter = r_c0_perfcntr ## n(); \
@ -256,8 +255,11 @@ static int mipsxx_perfcount_handler(void)
handled = IRQ_HANDLED; \
}
HANDLE_COUNTER(3)
fallthrough;
HANDLE_COUNTER(2)
fallthrough;
HANDLE_COUNTER(1)
fallthrough;
HANDLE_COUNTER(0)
}