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sh/cpu: Make sure play_dead() doesn't return

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play_dead() doesn't return.  Make that more explicit with a BUG().

BUG() is preferable to unreachable() because BUG() is a more explicit
failure mode and avoids undefined behavior like falling off the edge of
the function into whatever code happens to be next.

Link: https://lore.kernel.org/r/d0c3ff5349adfe8fd227acc236ae2c278a05eb4c.1676358308.git.jpoimboe@kernel.org
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
This commit is contained in:
Josh Poimboeuf 2023-02-13 23:05:47 -08:00
parent 5e00d69cde
commit 2439718854
1 changed files with 1 additions and 0 deletions
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arch/sh/include/asm/smp-ops.h
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@ -27,6 +27,7 @@ static inline void plat_smp_setup(void)
static inline void play_dead(void)
{
mp_ops->play_dead();
BUG();
}
extern void register_smp_ops(struct plat_smp_ops *ops);