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watchdog: Fix fall-through warnings for Clang

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In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough pseudo-keyword instead of letting the
code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2020-11-20 12:32:51 -06:00
parent 47ce0b65bf
commit 18a0e8d0f1
1 changed files with 1 additions and 0 deletions
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drivers/watchdog/machzwd.c
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@ -174,6 +174,7 @@ static inline void zf_set_timer(unsigned short new, unsigned char n)
fallthrough;
case WD2:
zf_writeb(COUNTER_2, new > 0xff ? 0xff : new);
fallthrough;
default:
return;
}