tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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sh/cpu: Make sure play_dead() doesn't return

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>

Josh Poimboeuf 24397188 5e00d69c

+1
+1
arch/sh/include/asm/smp-ops.h
··· 27 27 static inline void play_dead(void) 28 28 { 29 29 mp_ops->play_dead(); 30 + BUG(); 30 31 } 31 32 32 33 extern void register_smp_ops(struct plat_smp_ops *ops);